Marvair CommStat 4CommStat 4
HVAC Controller


 

Air Conditioners

Marvair® air conditioners are designed and built for the various markets we serve.

All Marvair air conditioners are tested and rated in accordance with AHRI standard 390, “Performance Rating of Single Package Air-Conditioners and Heat Pumps” and listed in the AHRI Single Package Vertical Units (SPVU) directory. For a detailed description of this directory, please see ARI 390 Marvair Sales and Marketing Notice dated 4.06.

MAA/MGA vertical package exterior wall mount air conditioners are used to cool telecommunication shelters and electronic equipment rooms.

MGA "High Capacity Large Cabinet" vertical package exterior wall mount air conditioners are used to cool telecommunication shelters and electronic equipment rooms.

MAA vertical package exterior wall mount air conditioners with 48VDC blowers are used to cool telecommunication shelters and electronic equipment rooms.

HVEA/HVESA/ACHSA high efficiency vertical package exterior wall mount air conditioners are used to cool telecommunication shelters and electronic equipment rooms.

GAA wall mounted air conditioners with gas heat are ideal for schools, modular buildings, or any other facility with significant heating demands.

Scholar air conditioners are vertical units installed in the classroom.


Heat Pumps

Marvair® Heat Pumps are built in a wide variety of styles, configurations and ventilation options, including the Marvair exclusive GreenWheel® and GreenCube® Energy Recovery Ventilators. Whether for a new school, a modular classroom or a school renovation project, Marvair has a heat pump ideally suited to your needs and budget.

All Marvair heat pumps are tested and rated in accordance with AHRI standard 390, “Performance Rating of Single Package Air-Conditioners and Heat Pumps” and listed in the AHRI Single Package Vertical Units (SPVU) directory. For a detailed description of this directory, please see ARI 390 Marvair Sales and Marketing Notice dated 4.06.

HVPA and HVPSA heat pumps are built in nominal cooling capacities of 2 to 5 tons (24,000 to 55,000 BTUH's). Each of the units is available with electric resistant heat as second stage or emergency heat. All AVPA series heat pumps use R-410A refrigerant. Scroll compressors are standard on all models. EER's up to 11.1. A complete range of factory installed ventilation options are available including the GreenWheel® and GreenCube® Energy Recovery Ventilators.

Scholar heat pumps are vertical units installed inside the classroom.

GeoScholar units heat and cool the classroom at a minimum of expense. With our highest efficiencies, the GeoScholar have a much lower environmental impact than most other HVAC systems. The water source heat pumps are designed to operate from a closed loop or ground loop system.


Controllers/Thermostats

Marvair offers a complete line of thermostats and controllers. Thermostats for all applications and both heat pumps and air conditioners are offered. All of our thermostats are electronic - no mercury - are reliable, have easy to read LCD displays and are easy to operate. Programmable and non-programmable thermostats are offered with auto or manual changeover and 1 or 2 stage heating and cooling.

The CommStat 3, CommStat 4 and CommStat 6 are programmable, digital lead/lag HVAC controllers designed for controlling multiple redundant air conditioners or heat pumps.

The PLC-Based CoolLinks controller sequences the operation of the two Marvair ComPac II units to ensure the most energy-efficient conditioning of the shelter space and the most balanced use of the conditioning equipment.

The MAR7000 is a controller and sensors in a single, attractive package that creates a flexible solution to stand-alone control challenges or BACnet network challenges.

Marvair offers a selection of thermostats and controllers designed to operate a fully or partially redundant air conditioning and heat pump systems used for cooling classrooms, modular/portable buildings, telecommunication shelters, huts, and cabinets.


Options & Accessories

Marvair offers a wide variety of options and accessories for the entire product line. These include the GreenWheel® and GreenCube® Energy Recover Ventilators, supply and return grilles, dehumidification options, protective coatings for coastal/harsh environments, protective coil coatings, hot gas bypass, filtration options, and many more.