DOAS & Make-Up Air · Manufacturer
Addison PR Series DOAS Service in Phoenix, AZ
A Florida builder of outside-air equipment, engineered for humidity, working in a market that needs its cooling capacity more than its dehumidification.
Addison builds dedicated outdoor-air systems in Florida, where dehumidifying ventilation air is the central problem, and its PR Series and custom DOAS rooftops bring that engineering to Phoenix schools, medical buildings, offices and multifamily projects that need conditioned outside air delivered separately from the space cooling. In the desert the emphasis shifts: sensible cooling of 115-degree air matters more than latent removal for most of the year, and the monsoon brings the humidity Addison designed for. Bleuwave services Addison equipment as an independent contractor, without dealer affiliation or factory authorization.
A DOAS unit is the hardest-working piece of equipment on a Phoenix roof in August, because every cubic foot it handles is outside air. Its condenser coil, cooling coil, energy-recovery wheel and hot-gas reheat system are all working at the limit on the days that matter, and they need to have been serviced before those days arrive.
Product Families
Addison Equipment We Encounter
Families and designations that appear on nameplates in the Phoenix market. Capacities, refrigerants and configurations vary by model and year; we verify from the nameplate on site rather than from a catalog.
| Family | Category | What it is |
|---|---|---|
| PR Series | DOAS & Make-Up Air | Packaged rooftop dedicated outdoor-air units with energy recovery and DX cooling. |
| Addison custom DOAS and rooftop units | Rooftop Units | Semi-custom outside-air and packaged rooftop units for high-ventilation applications. |
PR Series and Custom DOAS
PR Series units are packaged rooftop DOAS with energy-recovery wheels, DX cooling with hot-gas reheat for dehumidification, and gas or electric heating, delivering conditioned outside air at controlled temperature and humidity. Addison's custom units extend the platform to larger airflows and specific configurations. Controls manage wheel operation, cooling and reheat staging, and outside-air modulation, and integrate with building automation.
Service in Phoenix
Energy-recovery wheels load with dust; condenser and cooling coils face the extreme outside-air and ambient load; compressors and fan motors run at the edge of their envelope; hot-gas reheat valves and controls drift; filters load by pressure drop; dampers seize. We measure airflow, wheel effectiveness, coil and refrigeration performance and reheat operation against design, service wheels, filters, coils, refrigeration, reheat and controls, and verify sequencing with the building automation practice. Replacement is sized to the building's ventilation requirement.
Straight Answers
Questions About Addison Equipment
Does a DOAS designed for Florida work in Phoenix?
Yes — the cooling and reheat capacity that handles Florida humidity handles Phoenix sensible load and monsoon humidity well. The service emphasis shifts to condenser and coil condition under extreme ambient temperatures.
Is Bleuwave an Addison representative?
No. We service Addison equipment as an independent contractor without dealer affiliation or factory authorization.
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