
Somerville, MA HVAC Services
HVAC services in Somerville require technicians who can work inside century-old triple-deckers, updated Victorians, and tightly built neighborhoods where access is limited. You need a team that understands how these homes operate and can keep them comfortable.
GEM Plumbing & Heating Services, LLC has served Somerville since 1949. We handle regular maintenance, emergency repairs, and full system installations with deep Greater Boston experience. Fast scheduling and honest quotes make the process straightforward.
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Full HVAC Service Throughout Somerville’s Dense Neighborhoods
Winter Hill triple-deckers, Davis Square Victorians, Union Square conversions, Assembly Row developments. Somerville packs diverse housing stock into a compact city presenting unique comfort challenges.
GEM technicians work throughout Somerville, maintaining boilers in century-old triple-deckers, installing efficient equipment in Porter Square condos, replacing worn systems in East Somerville, and adding flexible cooling to units throughout the city. Whatever your property’s age or configuration, we deliver comfort through every season.
GEM holds Carrier Factory Authorized Dealer status and participates in Mass Save, bringing premium equipment plus valuable rebate access to Somerville property owners. Reliable comfort, lasting assurance.
Somerville Residents Have Counted on GEM Since 1949
Heat fails during a February cold snap or cooling quits when summer humidity peaks. In a city this dense, you need technicians who navigate tight spaces and solve problems correctly.
No hassle. No pressure tactics. Just capable professionals who understand Somerville properties thoroughly: steam radiators in triple-deckers, forced air in converted buildings, ductless units cooling top-floor units, and boilers heating households across generations. GEM delivers that expertise to your door.
The GEM Process Is Seamless
First contact to completed repair, GEM ensures HVAC service stays simple and hassle-free for Somerville residents.
Whether your property sits near Tufts, along Highland Avenue, or near the Assembly Square T stop, you experience identical professional, transparent service.
Schedule online or by phone in minutes. We accommodate your schedule. Often that same day.
Your NATE-certified professional arrives punctually, assesses equipment carefully, and discusses options clearly before starting.
Work finished, rest easy knowing GEM guarantees results. We remain one call away whenever needed.
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

Somerville Climate Control Services
Somerville’s urban density and older building stock create distinct HVAC challenges. Equipment works hard maintaining comfort through demanding Massachusetts weather.
GEM provides comprehensive climate control services for Somerville properties. Emergency fixes, planned installations, routine maintenance. Our certified professionals ensure year-round comfort.
Air Conditioning
Central AC delivers whole-property cooling during Somerville’s humid summer months.
When summer heat settles over Greater Boston, dependable cooling proves essential. GEM installs and maintains efficient central air keeping Somerville properties comfortable while managing energy costs. Fresh installations or urgent repairs. We handle everything.
- AC Repair: Hot air output, unusual sounds, complete failure. We pinpoint and fix cooling problems fast, often same-day.
- AC Maintenance: Yearly service catches growing problems before they worsen, preserving peak efficiency through summer.
- AC Installation: We properly size and install cooling equipment matched to your property’s specific demands and layout.
- AC Replacement: When aging equipment struggles, we guide you toward modern efficient options reducing energy consumption.
Furnaces
Efficient furnaces deliver rapid, reliable warmth for Somerville properties equipped with ductwork.
Many Somerville buildings depend on furnaces for winter heat. GEM services gas and electric equipment keeping households comfortable even during bitter cold spells.
- Furnace Installation: We select furnaces suited to your property’s dimensions, layout, and heating requirements, then install them correctly.
- Furnace Replacement: Trade outdated equipment for high-efficiency units lowering bills and improving dependability.
- Furnace Repair: Total heat loss, weak airflow, unusual sounds. Our professionals diagnose and resolve furnace issues quickly.
- Furnace Maintenance: Annual servicing keeps equipment safe, efficient, and prepared for Somerville’s harshest winter stretches.
Heat Pumps
Heat pumps provide year-round climate control with outstanding efficiency. Growing popular throughout Somerville.
Increasing numbers of Somerville property owners select heat pumps handling both warmth and cooling. Through Mass Save, GEM delivers skilled installation while helping you claim substantial rebates on qualifying equipment.
- Heat Pump Installation: We design systems designed for your property’s unique needs and efficiency targets, then install them properly.
- Heat Pump Replacement: Step up to current technology for improved comfort, quieter function, and reduced energy costs.
- Heat Pump Repair: Refrigerant problems, electrical issues, performance concerns. Our technicians restore function rapidly.
- Heat Pump Maintenance: Routine servicing optimizes performance and extends equipment lifespan across all seasons.
Ductless Mini-Splits
Ductless systems offer adaptable comfort for Somerville properties where conventional ductwork proves impractical.
Ideal for triple-deckers lacking central ducts, top-floor units, finished attics, or additions never connected to main systems. Ductless mini-splits permit room-by-room temperature control. GEM installs quality equipment heating and cooling effectively while minimizing energy costs. Often the best solution for Somerville’s older housing stock.
- Ductless Installation: We design custom configurations matching your property’s layout and household comfort preferences.
- Ductless Replacement: When current equipment loses effectiveness, we upgrade you to newer high-performing technology.
- Ductless Repair: Performance issues? Our professionals diagnose and correct problems restoring comfort promptly.
- Ductless Maintenance: Seasonal servicing maintains quiet, efficient ductless operation throughout the year.
Boilers
Many Somerville triple-deckers and older buildings still depend on boilers for steady, comfortable warmth.
Winter Hill to East Somerville, boiler systems have heated Somerville households for generations. GEM technicians specialize in gas and oil boilers, providing expert installation, repair, maintenance, and replacement for these dependable systems.
Radiant Heating
Radiant floor systems deliver even, quiet warmth. Popular in Somerville’s renovated properties and new construction.
Radiant heat rises from floors, eliminating cold surfaces and drafts. GEM designs, installs, and maintains radiant systems suited to Somerville properties, whether updating older structures or building new.
Oil to Gas Conversions
Still running oil heat? Converting to natural gas simplifies routines and frequently reduces expenses.
Some older Somerville buildings still use oil heating. Switching to gas eliminates fuel deliveries, reduces maintenance demands, and often lowers costs. GEM handles complete conversions, permits through final inspection.
Call (833) 222-2953 to schedule services.
Questions?

Indoor Air Quality Services in Somerville
Somerville’s urban environment introduces pollution and particulates while older buildings trap dust and allergens. Proper filtration and moisture management create noticeable improvement.
GEM helps Somerville families breathe cleaner air through solutions eliminating contaminants, regulating humidity, and preserving fresh healthy indoor environments.
Air Purifiers
Whole-property air purification captures allergens, dust, and pollutants that standard filters miss.
Somerville’s urban setting means vehicle emissions and outdoor particles enter homes readily. GEM installs purification systems working with HVAC equipment to continuously clean indoor air, easing allergy symptoms and supporting better health.
Air Filtration
Advanced filtration shields your family from airborne contaminants.
High-efficiency media filters, UV systems neutralizing bacteria and viruses. GEM supplies filtration options enhancing air quality and HVAC performance together.
Humidity Control
New England weather creates moisture challenges year-round. Proper management protects both property and health.
Winter air dries skin and woodwork. Summer humidity encourages mold and creates sticky discomfort. GEM installs whole-property humidifiers and dehumidifiers maintaining balanced moisture automatically.
Thermostats
Modern thermostats grant precise command over comfort and energy use.
Programmable models, smart thermostats controllable remotely. GEM handles installation and service for every variety. We ensure seamless HVAC integration for optimal performance.
Air Handlers
Your air handler moves conditioned air throughout your property. Problems here compromise comfort everywhere.
Reduced airflow, temperature variations, unusual sounds often signal air handler trouble. GEM provides skilled installation, repair, and maintenance keeping air circulating efficiently through Somerville properties.
Specialized HVAC Solutions for Somerville Properties
Certain comfort challenges require specialized approaches. GEM offers advanced services extending beyond standard climate control.
Ductwork improvements, zoning systems. Our specialists provide appropriate solutions for every project.
Ductwork
Properly designed, sealed ducts prove essential for efficient, uniform comfort.
Older Somerville buildings sometimes contain leaky, undersized, or poorly routed ductwork. GEM provides duct repair, sealing, and installation services improving airflow, eliminating temperature inconsistencies, and reducing energy waste.
Zoned HVAC
Zoning systems allow independent temperature control in different areas.
Stop conditioning unused rooms or disputing thermostat settings. GEM installs zoned systems providing customized comfort while reducing energy consumption. Ideal for Somerville’s multi-level properties.
Geothermal
Geothermal systems tap earth’s stable temperature for ultra-efficient climate management.
Somerville property owners pursuing maximum efficiency with minimal environmental impact find geothermal compelling where space permits. GEM designs and installs systems dramatically lowering energy costs while delivering quiet, reliable comfort.
Packaged HVAC
Packaged units combine warmth and cooling in one compact efficient system.
When interior space runs limited, packaged equipment presents a practical solution. GEM supplies and maintains these all-in-one systems for Somerville properties where standard configurations cannot fit.
GEM Has Your Whole Home Covered
Schedule HVAC Services in Somerville Today
For HVAC services in Somerville, choose the team keeping Greater Boston comfortable since 1949. Repair, replacement, maintenance. GEM provides dependable work you can trust. Call or book online for HVAC services in Somerville. Same-day scheduling often available.
Common Questions About Somerville HVAC Service
How often should HVAC equipment receive professional attention?
We recommend twice-annual maintenance for Somerville’s climate: spring service for cooling equipment, fall attention for heating. Regular maintenance prevents failures, preserves efficiency, and catches growing problems before they become costly repairs.
What signals indicate equipment needs repair or replacement?
Warning signs include inconsistent temperatures, unusual sounds, climbing utility bills, and frequent cycling. Equipment exceeding 15 years requiring regular repairs often costs less to replace. Our professionals assess your situation and recommend the wisest path forward.
Can you service steam boilers in Somerville’s triple-deckers?
Absolutely. Steam systems heat many Somerville buildings. Our technicians possess extensive experience maintaining and repairing steam boilers and radiator systems, and can guide upgrades when appropriate.
Is same-day service available in Somerville?
Yes. Our fleet exceeding 500 vehicles across Greater Boston enables rapid response to Somerville. Same-day scheduling available for most routine requests, around-the-clock emergency service for urgent situations.
What rebates can Somerville property owners access?
GEM’s Mass Save participation helps you obtain substantial rebates for qualifying heat pump installations and high-efficiency equipment. We help navigate available programs and capture maximum savings.


