Full service HVAC contractors; MA residential, commercial, industrial HVAC - Healthy Air Solutions, Inc.

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Residential & Commercial HVAC Contracting Services
South Shore MA

Commercial HVAC - Rooftop Units

Commercial HVAC Contractors, Rooftop Units, South Shore MA

Healthy Air Solutions has decades of experience installing rooftop heating and cooling units for commercial and industrial clients.

We also provide exceptional repair and maintenance services on most HVAC rooftop units to our valued commercial customers.

With a field-installed economizer, we can reduce your cooling costs by up to 30%, and meet all your ventilation needs.

Our Featured Rooftop Unit Products

Carrier 48HC WeatherMaster Rooftop Unit

The high efficiency Carrier 48HC WeatherMaster single-package Rooftop Unit features a gauge plug, centralized control center, plug & play accessory board, "no-strip screw" collars, and handled access panels, making it easy to install, easy to maintain and easy to use.

Puron refrigerant is an environmentally sound refrigerant designed not to harm the earth's ozone layer. Products with the ENERGY STAR® logo are qualified to earn the U.S. government's designation for superior energy efficiency to help save costs on energy bills.

These quality gas heating/electric cooling rooftop units are pre-wired and pre-charged with environmentally sound Puron® (R-410A) refrigerant at the factory. The units are factory tested in both heating and cooling modes.

Standard Features

  • 3 to 25 Nominal Tons
  • ASHRAE 90.1 and Energy Star compliant
  • Single-stage capacity control (sizes 04 to 07)
  • Two-stage cooling capacity control (sizes 08 to 28)
  • SEERs up to 15.6; EERs up to 12.2; IEERs up to 13.0
  • Induced draft combustion design
  • Gas efficiencies up to 82%
  • Redundant gas valve; single and multi-state heating
  • Fully insulated cabinet
  • Scroll compressors with internal line-break overload protection
  • 24-volt control circuit protected with resettable circuit breaker
  • Permanently lubricated evaporator-fan motor
  • Totally enclosed condenser motors with permanently lubricated bearings
  • Low pressure and high-pressure switch protection
  • Exclusive IGC anti-cycle protection for gas heat operation
  • Solid-state electronic direct spark ignition system
  • Flame roll-out safety protector
  • Liquid line filter drier as standard
Carrier 48HC WeatherMaster Rooftop Unit


Up to 15.6 SEER


Up to 82%