Case Studies & Blueprints

Challenge
A system that maintains a proper humidity level for the leather in the pipe organ and keeps a constant temperature in the upper level of the sanctuary. It also needs to provide conditioning of the choir loft separately from the rest of the congregation, while still maintaining the correct mix of fresh air.

Daikin Solution
One VRVIII System separates the sanctuary into three levels. It provides conditioning at each level using fan coils. The entire system is controlled through an Intelligent Touch controller which can be expanded upon as existing systems around the property are retrofitted to Daikin equipment. As part of the long range plan of the church, it fits nicely in being able to provide a

Challenge
Church was facing $500K to replace failed chiller, plus $3K monthly for rent and operational costs.

Daikin Solution
Two Daikin VRV systems at well under half the cost.

Challenge
To provide quiet, individualized comfort in a multi-use facility with humidity concerns, while using as much of the existing system as possible.

Daikin Solution
Daikin VRV-WII and ceiling cassettes utilizing the existing condenser water loop made increased comfort possible, and reduced HVAC energy con-sumption by 30%.

Challenge
How a church experiencing changes in building use, humbled by its old inefficient A/C systems, can find comfort and energysavings through zoning

Daikin Solution
Daikin VRV systems with ducted and ductless fan coilsserve 12 zones where oncethere were 3.

Challenge
Installing a new cooling system and upgrading the heating system in Maryland’s oldest synagogue without affecting the synagogue’s aesthetics.

Daikin Solution
The design and contracting team chose an intelligent, energy-efficient VRVIII system delivering both cooling and heating while remaining virtually unnoticeable to visitors.

Challenge
Enjoy the comfort of central cooling but without any noticeable operating sound to interfere with the activities in and around the church.

Daikin Solution
The low sound levels associated with the Daikin indoor and outdoor units (a benefit of inverter technology).

Challenge
Rooms were too hot or too cold, no zoning was offered with the existing system, and staff complaints of being uncomfortable. Most rooms were on interior walls where condensate pumps were used on all the fan coils.

Daikin Solution
Installing a Daikin Multi-Split and Single Split RA system.

Challenge
An assisted living center needed a cost efficient HVAC system replacement which could be installed without disrupting the residents.

Daikin Solution
Daikin’s energy saving VRV system was installed in minimal time and the advanced zoning capabilities allow residents to choose their individual comfort levels.

Challenge
Design and build a sustainable assisted living facility that delivers energy efficiency even in New Jersey’s cold winter

Daikin Solution
Unite Daikin’s systems with energy saving building techniques resulting in a facility that is nearing zero energy consumption.

Challenge
A tight budget, building constraints, cold winters and the need for multiple zones contribute to a demanding HVAC renovation for an Idaho Periodontist.

Daikin Solution
Daikin’s Heat Recovery VRV provides simultaneous heating and cooling, heating capacity, energy efficeint zoning and fit perfectly into the limited space.

Challenge
The building’s narrow windows and concrete exterior walls presented challenge due to the need for several individual heating and cooling units.

Daikin Solution
The use of two Daikin inverter duct-free split system heat pumps, one RXS15DVJU/FTXS15DVJU and one RXS18DVJU/FTXS18DVJU as a solution to providing efficient heating and air conditioning.

Challenge
The building’s physical challenges and budgetary constraints

Daikin Solution
Daikin outdoor units’ flexible design enabled them to be installed in the facility’s mechanical room, satisfying the challenge of no available outdoor space. Low sound and no ductwork were additional benefits that met more challenges faced by architect Murphy when initially taking on this renovation.

Challenge
The existing two-pipe chiller system only allowed for either heating or cooling. The system was detereorating and not providing the ability to heat and col rooms independently. A replacement system was required to integrate with existing building controls, and comply with CSA B52 refrigerant limitations.

Daikin Solution
The Sheraton Center Toronto decided to install a Daikin VRV system. The decision was based on the systems ability to operate in heating and cooling modes simultaneously between guest suites. The Daikin VRV system also operates at lower sound levels and provided a competitive total installation cost compared to other options.

Challenge
The owners required a system that would operate quietly, require only a minimum amount of space in the guest rooms, and maintain an optimal level of comfort to meet the expectations of guests stayin at an upscale full service hotel.

Daikin Solution
Daikin VRV heat recovery system with vertical indoor air handlers was chosen for the guest rooms because of their low operational sound levels, space savings, and potential for energy savings.

Challenge
Keeping guests comfortable without breaking the bank and the building.

Daikin Solution
Daikin MXS multi-split heat pump systems were installed without building modification. Individual guest room zoning was an additional benefit.

Challenge
As the saying goes, “Practice What You Preach,” was in order for Chippewa Valley Electric Cooperative (CVEC) who promotes energy saving solutions to residential and commercial customers. CVEC required an HVAC system they could showcase in their new office, that was highly efficient, easy to maintain, quiet, comfortable and centrally controlled.

Daikin Solution
Daikin’s VRV-W water source heat recovery system and centralized Navigation control system created the showcase HVAC system that CVEC desired. A geothermal condensing loop, connected to a VRV-W water source heat recovery system, maximized the system efficiency. The compact, quiet system was easily installed in an interior mechanical room for easy monitoring and maintenance.

Challenge
The outdated and inefficient chiller system requires complete replacement. Additionally, a floor-by-floor installation schedule is required to lessen the disruption for tenants, as well as spread the cost over multiple years. A highly efficient, modern heating and air conditioning system will replace the old chiller system without any modifications to the historical architecture or structural integrity of the building.

Daikin Solution
A unique team effort between the Manufacturer’s Representative, General Contractor, Owner and Architect was required to coordinate the floor-byfloor installation that would not modify the existing architecture. A Daikin Variable Refrigerant Volume heat pump system was installed, primarily with ceiling-mounted cassettes to provide a state-of-the-art HVAC system.

Challenge
Kehoe Equipment LTD was relocating into an older, poorly conditioned and poorly insulated 11,000 sq. ft. commercial space that previously housed two tenants. The new, upgraded layout would provide a 6,400 sq. ft. office, a 2,000 sq. ft. mezzanine with server room and a 2,600 sq. ft. warehouse. The existing split ducted HVAC system was outdated, unreliable, did not provide adequate zoning and the outdoor units were prone to vandalism.

Daikin Solution
A VRV III air-cooled heat recovery system was chosen. A small damper controlled mechanical room was designed and built inside the building to house the condensing units. An assortment of different styles of indoor fan coil units were used to create 9 separate zones with 25 fan coils.

Challenge
Comflow Mechanical Services’ growing business required more office space quickly so speed of installation was one of the most important parameters along with Total Life Cycle Cost. Comflow’s desire to have a trophy showcase HVAC system to use as a marketing tool for future business opportunities led them to consider Daikin’s VRV — A high efficiency HVAC system that could provide both heating and cooling, with individual area zoning and scheduling capability for both the large open office area and the individual smaller offices.

Daikin Solution
Minimal duct work was the key contributor to faster installation time. With all things considered (efficiency, minimal ductwork, zoning, comfort, etc...), Daikin VRV system provided the best long-term cost solution compared to other VAV systems considered. The Daikin VRV Heat Recovery system with concealed ducted units for the large open office area, DZK zoning for the ground floor smaller offices and Ceiling Cassettes for the 2nd floor mechanical platform provided a variety of features to proudly show and demonstrate to future customers.

Challenge
The main challenge for the new Sidney Federal Credit Union building was matching the customer's need for a quiet system with high efficiency using geothermal technology to meet the low ambient heating requirements and then interfacing all the Daikin products together with a BACnet control system with minimal maintenance.

Daikin Solution
Daikin VRV Cassette indoor non-ducted fan coil units accomplish the low noise, and minimal maintenance requirements expected by the customer. The Daikin VRV system, the ERV and the ground source loop are all controlled by a BACnet based building Management system for centralized control and operational efficiency.

Challenge
Committed to delivering energy saving strategies, Western Extralite sets out to set an example by selecting an HVAC system that would "walk the talk" and help gain LEED certification.

Daikin Solution
Daikin's VRVIII heat recovery system met the necessary LEED requirements, provided the efficiency, and was less expensive than a geothermal system.

Challenge
ASHRAE wanted to renovate their headquarters and make a strong statement about sustainability.

Daikin Solution
Daikin’s VRV inverter driven heat recovery and heat pump units using non-ozone depleting R-410A refrigerant fits perfectly into ASHRAE’s goal.

Challenge
D Street Village - Office Lofts couldn’t do an infrastructure upgrade, and the specified RTU demanded more power than was available.

Daikin Solution
Daikin SkyAir Inverter Heat Pumps provided individualized comfort without bulking up on the power.

Challenge
Provide seamless integration of a new heating, cooling, and outside air ventilation system, all controlled with a single, central controller. The HVAC system must maintain comfort with the required ventilation, to a space that varies in occupancy, and a cooling demand dependent on kitchen activity. The system must be installed into the historical structure without lowering the ceiling, allowing designers to keep their aesthetic vision, using decorative wood paneling on the ceiling.

Daikin Solution
Individual Daikin products came together to form a larger solution tailored to One Thirteen’s unique needs. The Daikin VRV and DVS system, controlled by an iTM were minimally invasive to the historic building, preserving its integrity and providing the desired ease of central control.

Challenge
YMCA was $600,000 over budget for expansion and renovation.

Daikin Solution
Daikin VRV systems reduced the budget by $500,000 and made comfort and energy savings possible.

Challenge
A system that maintains a prop-er humidity level throughout the store and keeps a constant tem-perature utilizing very limited ceiling space.

Daikin Solution
Three Daikin VRVIII Systems:
— 2 12 ton Air-Cooled Heat Pump Outdoor Units
— 1 8 ton Air Cooled Heat Pump Outdoor Unit
— 5 Indoor Round Flow Sensing Cassettes
— 3 Indoor DC-Ducted Concealed Ceiling Units

Challenge
Heat and cool a "Net Positive Energy" structure year-round, using self-generated solar power through "grid-tied" solar panels.

Daikin Solution
Daikin VRVIII-S, low starting power requirements, and easy integration with a fresh air economizer system proved the perfect partner.

Challenge
Find a dedicated home builder to meet their custom design specifications:
• Providing their disabled son with the ability to maneuver around the home with confidence, control, and comfort
• Individually control comfort in separate rooms
• Increase the energy efficiency and lower monthly energy costs as compared to their last home


Daikin Solution
Daikin’s VRV LIFE system was selected to enhance comfort level, increase the home’s energy efficiency, provide zoned control, and offer quick response to Houston’s temperature changes. Given the high-efficiency heating ability of the VRV LIFE system, there was no need for a gas furnace (though being an option) as is typically specified for homes in this area.

Challenge
To maintain the historical aesthetics of the Marchese’s beautiful 1935 Tudor home with a minimally invasive HVAC solution that replaced aged, noisy, and uncomfortable through-the-wall air conditioning units, while enhancing indoor comfort. Provide a state-of-the-art system that would reliably maintain comfort and is easy to operate. Finally, the ability to fully integrate the existing boiler system as a secondary backup heat source.

Daikin Solution
Daikin Comfort Pro dealer T.F. O’Brien considered several options for the Marchese home. Due to varying requests of the homeowners (four-season patio, basement, etc.), a Daikin VRV LIFE system was the obvious choice. The VRV LIFE system provided the integrated solution of ducted and ductless zones, minimal installation complexity, and the enhanced indoor environment Joe and Donna Marchese were hoping for.

Challenge
Changing system designs in an existing home to enable multiple comfort zones, without adding ductwork or soffits that reduce interior space.

Daikin Solution
Daikin Multi-Zone split systems improved comfort, provided energy savings and freed up enough space to expand an existing kitchen pantry!

Challenge
A system that is compact enough to fit nicely into the planned architecture, energy efficient, operates with auxiliary power and is compatible with the home automation system.

Daikin Solution
Two Daikin VRV-S systems with slim duct fan coils. The supply grilles are routed into the bamboo facia of the soffits to seamlessly blend into the architecture.

Challenge
Outdated equipment with parts no longer available for the units requiring replacement.

Daikin Solution
A Daikin VRV III-S system that will allow the new floor mount nd wall mount models to fit into the same space as the previous models.

Challenge
Jayna Cooper wanted to maximize her living space but the heating and cooling equipment would require setting aside scarce space to accommodate bulky HVAC ductwork.

Daikin Solution
Jayna Cooper wanted to maximize her living space but the heating and cooling equipment would require setting aside scarce space to accommodate bulky HVAC ductwork.

Challenge
Canadian homeowners need a high efficiency replacement for outdated and expensive to operate heating and cooling systems.

Daikin Solution
Daikin’s new super-highefficiency Quaternity™ heat pump system cools, heats, can dehumidify to a relative humidity setting as well as effectively filters and cleans the air.

Challenge
Homeowners wanted a new house with all the charm of a 142-year-old historic lighthouse but with none of the worries about high energy bills.

Daikin Solution
Daikin’s VRV-S system, which provided both heating and cooling, fit so well into his unique home design and saved dramatically on energy too.

Challenge
Homeowners featured in the This Old House TV series were looking for a flexible HVAC system to save energy while delivering independent zoning control.

Daikin Solution
The team behind the Weston, Massachusetts, project decided to incorporate Daikin technology to successfully achieve their goals of energy efficiency, comfort, and LEED certification.

Challenge
Building a home in Scottsdale, Arizona to maintain comfort and efficiency in harsh summers.

Daikin Solution
Daikin Multi-Split heat pumps with "Slim Duct" indoor units.

Challenge
Daikin inverter technology dramatically reduced installation costs when compared to both hydronic and traditional ducted systems and minimized architectural alterations to the historic building. The combination of Daikin equipment with solar PV reduced Appleton Villa’s carbon footprint while offering more usable space and providing tenant controlled year-round heating and cooling comfort.

Daikin Solution
Daikin Multi-Split heat pumps with "Slim Duct" indoor units.

Challenge
Quickly build private funded student housing before the start of the semester.

Daikin Solution
Daikin VRV allowed a solution for construction to take place in two places simultaneously for faster build time.

Challenge
The two primary challenges for this project included the design of a distinct condenser loop hydronic system, and its integration with the building's heating and cooling system. The initial HVAC installation was designed and developed to service a building containing 154 apartments as well as planned future expansion of an additional 2,000 apartments.

Daikin Solution
A customized, air-cooled hydronic unit designed by Daikin and ITC Tefchnologies was installed to control the water temperature of the condenser watetr loop. An economical solution, this small and light weight unit required less installation space, and operated quieter compared to an alternative chiller solution. It also provided the high efficiencies desired.

Challenge
Retrofitin an older landmark building in New York City is never easy. Ceiling height restriction, architectural design and logistical issues of transporting equipment in a R10 zone, the highest residential density in the city, were some of the key considerations and challenges for this project. These residences required an unobtrusive, quiet and individually controlled HVAC system that could match the luxurious architectural design of the 220,000 sq. ft., 20-story Uppeer East side building that includes 56 residences and numerous amenities.

Daikin Solution
Water-Cooled VRV was chosen over chilled water systems or water-source heat pump systems due to the indoor units and condensing units' low sound levels, energy efficiency and space savind design, including Daikin's indoor ducted fan coil units that satisfy the interior architectural requirements and space constraints of the individual condominiums. In addition, Daikin VRV offers individual zone temperature control for each condominium which was an important specification from Macklowe Properties, the developer.

Challenge
Limited roof area, structural impact to the building, and additional power consumption to the building

Daikin Solution
Daikin VRVIII systems

Challenge
How to keep students comfortable in a demanding multi-tenant application, and still achieve high energy efficiency.

Daikin Solution
Daikin multi-zone systems with "Priority Zone" control got the best grades for comfort, and superior warranties provided security for the owner.