
Quincy, MA HVAC Services
When you need HVAC services in Quincy, a boiler serving three units that fails on the coldest weekend of the year or an AC system that cannot handle a top-floor apartment during a heat wave demands technicians who understand urban housing challenges.
GEM Plumbing & Heating Services, LLC has provided HVAC services throughout Quincy since 1949. Whether your property needs emergency repairs, system upgrades, or preventive maintenance, we deliver professional work backed by seven decades of serving Greater Boston.
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Comprehensive Heating and Cooling for Quincy Properties
Climate control in the City of Presidents ranges from historic single-families to modern high-rises. When your system struggles, when tenants call about no heat or your home cannot cool down, you need solutions that fit your specific property.
GEM serves Quincy’s full spectrum of housing with heating and cooling expertise suited to each building type. Whether you own a Victorian near Adams National Historical Park, a triple-decker in Wollaston, a condo in Marina Bay, a ranch in Merrymount, or a multi-family investment property in Quincy Point, our licensed technicians deliver appropriate solutions.
Our capabilities extend beyond conventional systems to include geothermal installations, packaged rooftop units, sophisticated zone control, and fuel conversions. GEM provides complete climate solutions for every Quincy property type.
Quincy’s Trusted HVAC Partner Since 1949
Property owners and homeowners need contractors who respond promptly, assess situations accurately, and complete work to professional standards.
No excuses. No corners cut. Just qualified technicians who have handled everything Quincy’s diverse housing presents: steam systems in pre-war buildings near Quincy Center, forced air in West Quincy colonials, VRF systems in new construction, ductless units adding comfort to converted attics, and central plants serving multi-unit buildings. GEM brings that depth of experience to your property.
Working with GEM Is Straightforward
HVAC service should involve clear communication, professional execution, and no surprises.
Our process delivers:
Contact us by phone or schedule online. We accommodate tight timelines and can often dispatch same-day. Quincy properties receive priority as part of our core service area.
Your technician assesses the situation, explains findings without jargon, and presents options with transparent pricing before beginning any work.
We complete the job thoroughly, verify proper operation, and leave your property clean. Our contact information stays with you for any future needs.
HVAC Specials & Discounts
Take advantage of our current offers & coupons!

Save on Energy Upgrades
with GEM and Mass Saveยฎ Rebates

The Home Comfort Club
Service plan starting at
$49.99 /mo
Peace of Mind, Worry-Free
Members get discounts on repairs, priority scheduling, and seasonal tune-ups that keep systems running efficiently year-round.
Preserve your homeโs value, extend your equipmentโs life span, and ease your worries with our membership plans.
Trust us to always send our best local, trained, and screened technicians to your home, no matter the hour.
With us, you can spend less money to take better care of your home.
Keep all parts of your home operating at peak efficiency with regular maintenance tune-ups.
Get Pre-Approved Financing

Quincy Heating and Cooling Services
Norfolk County experiences harsh winters and humid summers. Quincy properties, from waterfront condos to inland neighborhoods, rely on HVAC systems year-round for occupant comfort.
GEM delivers full-service heating and cooling for every property type in Quincy. Emergency response, planned installations, and maintenance programs all fall within our expertise.
Air Conditioning
Central air conditioning provides whole-building cooling through integrated ductwork systems.
Boston-area summers combine heat with humidity that makes reliable cooling essential. GEM installs and services commercial and residential AC systems engineered for demanding conditions while maintaining reasonable energy consumption. Cooling equipment faces greatest stress during extreme heat, exactly when failures most commonly occur. Proactive maintenance catches developing problems, and when breakdowns happen, our technicians isolate causes and implement effective repairs.
- Air Conditioning Repair: Inadequate cooling, compressor noise, refrigerant issues, or control failures require expert diagnosis. We identify problems accurately and resolve them.
- Air Conditioning Maintenance: Seasonal service maintains performance and prevents mid-summer failures. We inspect, clean, and test all system components.
- Air Conditioning Installation: Proper system design ensures effective cooling throughout your property. We engineer solutions appropriate to building size, layout, and occupancy patterns.
- Air Conditioning Replacement: When aging equipment becomes unreliable or expensive to operate, replacement provides better long-term value. Current systems offer significant efficiency improvements.
Furnaces
Furnaces deliver rapid heating through forced air distribution for properties with ductwork.
Quincy homes with existing duct systems commonly rely on gas or oil furnaces. From West Quincy ranches to updated multi-families near the T stations, furnaces provide dependable winter heat. GEM services all residential furnace configurations across Quincy neighborhoods.
- Furnace Installation: We engineer furnace installations matching your property’s heating load, ensuring consistent comfort without wasted capacity.
- Furnace Replacement: Inefficient older furnaces waste fuel and create reliability concerns. Modern replacements deliver better performance at lower operating cost.
- Furnace Repair: Heating failures, airflow problems, or operational issues demand prompt attention. Our technicians restore furnace operation with lasting repairs.
- Furnace Maintenance: Annual service maintains safety and efficiency. We examine heat exchangers, verify combustion, clean components, and confirm proper operation.
Ductless Mini-Splits
Ductless systems enable zone-specific climate control without requiring duct installation.
Quincy’s older housing stock includes many buildings where ductwork is impractical. Triple-deckers, converted Victorians, room additions, and condos with comfort deficiencies all benefit from ductless solutions. GEM installs commercial and residential ductless systems suited to Quincy’s varied property types.
- Ductless Mini-Split Installation: We engineer multi-zone solutions that address specific comfort requirements while maintaining architectural integrity.
- Ductless Mini-Split Replacement: When existing ductless equipment loses effectiveness, current models offer enhanced efficiency and capabilities.
- Ductless Mini-Split Repair: Refrigerant leaks, condensate problems, or communication faults between components require professional attention. We restore proper function efficiently.
- Ductless Mini-Split Maintenance: Ongoing service preserves ductless system performance. Our maintenance includes thorough cleaning, inspection, and operational testing.
Heat Pumps
Heat pumps transfer thermal energy for efficient heating and cooling from unified equipment.
This technology reduces energy consumption compared to conventional systems. Quincy property owners seeking lower utility costs and reduced carbon footprint find heat pumps increasingly attractive. As a Mass Save approved installer, GEM provides access to substantial rebates on qualifying installations.
- Heat Pump Installation: We design heat pump systems optimized for your property’s characteristics, maximizing both efficiency and comfort.
- Heat Pump Replacement: When existing heat pump performance declines, upgrading to current technology restores efficiency and improves comfort.
- Heat Pump Repair: Compressor issues, refrigerant problems, or control malfunctions affect heat pump operation. Our technicians diagnose and repair all common failures.
- Heat Pump Maintenance: Regular service sustains heat pump efficiency. We clean coils, check refrigerant, and verify operation in both heating and cooling modes.
Boilers
Boilers generate hot water or steam for distribution through radiators, convectors, or radiant piping.
Many Quincy properties, particularly older buildings throughout Quincy Center, Wollaston, and Atlantic neighborhoods, depend on hydronic heating. GEM provides comprehensive boiler services for residential and light commercial applications.
Oil to Gas Conversions
Transitioning from oil to natural gas heating modernizes your system and typically reduces costs.
With natural gas readily available throughout Quincy, conversion eliminates oil storage, delivery logistics, and associated maintenance. GEM handles complete fuel conversions from evaluation through commissioning.
Radiant Heating
Radiant floor and panel systems deliver heat directly to surfaces for comfortable, even warmth.
Quincy renovations and new construction increasingly incorporate radiant heating for superior comfort. GEM designs, installs, and maintains radiant systems appropriate to various building constructions.
Call (833) 222-2953 to schedule services.
Questions?

Indoor Air Quality Services in Quincy
Urban environments present specific air quality challenges from traffic, construction, and building density.
Quincy properties benefit from filtration and ventilation improvements that reduce pollutant exposure and improve occupant health. GEM provides integrated air quality solutions for homes and multi-family buildings.
Humidity Control
Proper humidity management affects both comfort and building preservation.
Dry heated air in winter and excess humidity in summer create problems ranging from discomfort to material damage. GEM installs humidity control equipment maintaining optimal conditions.
Air Purifiers
Building-integrated purification removes contaminants from circulating air continuously.
GEM installs air purification systems compatible with residential and commercial HVAC equipment, reducing allergens, pollutants, and odors throughout properties.
Air Filtration
High-performance filtration captures particles that standard filters cannot trap.
From MERV-rated media filters to UV germicidal systems, GEM implements filtration solutions addressing specific air quality requirements.
Thermostats
Advanced thermostats improve comfort while reducing energy consumption.
From basic programmable units to smart systems with occupancy sensing and remote access, GEM installs and configures controls suited to property requirements.
Air Handlers
Air handlers move conditioned air throughout buildings via duct networks.
Performance problems with air handlers cause uneven temperatures and reduced efficiency. GEM services air handlers for consistent comfort throughout Quincy properties.
Additional HVAC Services in Quincy
Complex buildings and challenging installations sometimes require specialized approaches.
GEM offers advanced solutions beyond standard residential systems.
Ductwork
Duct system performance fundamentally affects comfort and efficiency.
Quincy buildings with aging or poorly configured ducts experience uneven temperatures and energy waste. GEM designs, installs, and repairs ductwork for improved performance.
Geothermal
Ground-source heat pumps provide exceptional efficiency by utilizing stable earth temperatures.
For Quincy properties where land area permits, geothermal systems deliver unmatched operating economy. GEM designs and installs residential geothermal solutions.
Zoned HVAC
Zone systems enable independent temperature management in different building areas.
Multi-level homes, properties with variable occupancy, and buildings with mixed exposures benefit from zoning. GEM engineers systems that deliver comfort where needed.
Packaged HVAC
Packaged rooftop and ground-mounted units provide complete climate control in compact configurations.
Properties without interior mechanical space benefit from packaged systems. GEM installs and services self-contained equipment for residential and light commercial applications.
GEM Has Your Whole Home Covered
Schedule HVAC Services in Quincy Today
For HVAC services in Quincy, partner with the team that has served Greater Boston since 1949. Whether your property requires repair, replacement, or maintenance, GEM delivers professional results backed by decades of urban experience. Call or book online to schedule service in Quincy. Same-day response available.
HVAC FAQs
What heating systems work best in Quincy’s older multi-family buildings?
Many pre-war buildings use steam or hot water systems that remain effective when properly maintained. Modern alternatives including high-efficiency boilers, heat pumps, and hybrid systems can improve performance and reduce costs. GEM evaluates existing infrastructure and recommends appropriate options.
What incentive programs apply to Quincy properties?
GEM participates in Mass Save as an approved installer, providing access to rebates on heat pumps and efficient equipment. These programs significantly reduce installation costs for qualifying properties.
How frequently do Quincy buildings need HVAC maintenance?
We recommend twice-yearly service: spring preparation for cooling season and fall preparation for heating. Properties with older equipment or heavy usage may benefit from additional attention.
Why are energy costs high in older Quincy buildings?
Aging equipment, inadequate insulation, air infiltration, and outdated controls commonly contribute to excessive energy use. GEM can assess your property and identify improvement opportunities.
What lifespan is reasonable for commercial and residential HVAC equipment?
Equipment typically operates 15 to 20 years with proper maintenance. Multi-family systems with higher utilization may have shorter effective lives. Regular professional service helps maximize equipment longevity.


