
Medford, MA HVAC Services
Medford homes pack heating and cooling equipment into tight basements and older layouts that are tough to work in. When you need HVAC services in Medford, you need technicians who know how to handle crowded neighborhoods, limited access, and a mix of historic and modern construction. We put your comfort first.
GEM Plumbing & Heating Services, LLC has served Medford since 1949. Regular maintenance, urgent repairs, and full system installations are completed by technicians with deep Greater Boston experience. Fast scheduling and transparent quotes keep the process simple.
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Full HVAC Service Throughout Medford’s Distinct Neighborhoods
West Medford colonials, Hillside Victorians, Wellington-area condos, South Medford triple-deckers. Medford contains diverse housing stock presenting unique comfort challenges.
GEM technicians serve all of Medford, caring for boilers in century-old Victorians, installing efficient equipment in condos near the Mystic River, replacing aging systems in West Medford, and adding zone control to multi-level homes throughout the city. Whatever your property’s age or style, we maintain comfort through all seasons.
GEM holds Carrier Factory Authorized Dealer status and participates in Mass Save, bringing premium equipment plus valuable rebate access to Medford property owners. Quality comfort, lasting assurance.
Medford Residents Have Counted on GEM Since 1949
Furnace quits during a bitter February night or AC fails when summer humidity peaks. In a city with older housing stock, you need technicians who solve problems right the first time.
No games. No upselling. Just skilled professionals who know Medford properties inside and out: steam radiators in older homes, central air in newer construction, ductless units cooling upper floors, and boilers heating families across generations. GEM provides that expertise at your property.
The GEM Process Is Seamless
Initial call to finished job, GEM ensures HVAC service stays simple and stress-free for Medford residents.
Whether your property sits near Tufts campus, along the Mystic River, or in historic West Medford, you get the same professional, transparent service.
Book by phone or online in minutes. We match your schedule. Often that same day.
Your NATE-certified professional arrives punctually, inspects equipment thoroughly, and explains options plainly before beginning.
Work complete, relax knowing GEM stands behind results. We remain available whenever you need assistance.
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

Medford Climate Control Services
Medford’s urban density and older building stock create particular HVAC challenges. Equipment runs constantly maintaining comfort through demanding Massachusetts weather.
GEM delivers full climate control services for Medford properties. Urgent repairs, scheduled installations, seasonal maintenance. Our certified team ensures year-round comfort.
Air Conditioning
Central AC provides whole-property cooling during Medford’s humid summer season.
When summer heat blankets Greater Boston, dependable cooling matters enormously. GEM installs and maintains efficient central air keeping Medford properties comfortable while controlling energy costs. Fresh installations or urgent repairs. We take care of everything.
- AC Repair: Medford AC running but not cooling? Making sounds it never made before? We get there fast and fix it.
- AC Maintenance: Getting your Medford AC tuned up in spring keeps it from failing when summer humidity hits. We catch problems early.
- AC Installation: Adding central air to your Medford triple-decker or condo? We size the system for your layout so every unit cools evenly.
- AC Replacement: Old AC in your Medford home struggling to keep up? A new system cools better and costs less to run.
Furnaces
Efficient furnaces provide rapid, dependable warmth for Medford properties with existing ductwork.
Many Medford buildings depend on furnaces during winter. GEM services gas and electric equipment keeping households comfortable even during deep freezes.
- Furnace Installation: New furnace for your Medford home? We match the equipment to your ductwork and layout so heat reaches every room.
- Furnace Replacement: Medford furnace from the nineties running up your gas bill? New high-efficiency models heat better and cost less to operate.
- Furnace Repair: Medford furnace not lighting or cycling on and off? We track down the problem and fix it so you have reliable heat.
- Furnace Maintenance: Fall tuneups on your Medford furnace mean no emergency calls in January. We check the heat exchanger and make sure everything runs safely.
Heat Pumps
Heat pumps deliver year-round climate control with excellent efficiency. Increasingly popular across Medford.
Growing numbers of Medford property owners choose heat pumps handling both warmth and cooling. Through Mass Save, GEM provides expert installation while helping you claim substantial rebates on qualifying equipment.
- Heat Pump Installation: Want a heat pump at your Medford home? We design the system for your house and handle the whole installation.
- Heat Pump Replacement: Heat pump at your Medford place not keeping up in cold weather? Newer cold-climate models handle Massachusetts winters much better.
- Heat Pump Repair: Medford heat pump not switching modes or running constantly? We diagnose the issue and repair it properly.
- Heat Pump Maintenance: Heat pumps work all year, so they need checkups twice annually. We keep Medford systems running efficiently through every season.
Ductless Mini-Splits
Ductless systems deliver flexible comfort for Medford properties where traditional ductwork proves impractical.
Perfect for older homes lacking central ducts, upper floors, finished attics, or additions never tied to main systems. Ductless mini-splits enable room-by-room temperature control. GEM installs quality equipment heating and cooling effectively while minimizing energy costs. Often the ideal solution for Medford’s older homes.
- Ductless Installation: Upper floor in your Medford Victorian that is always too hot? Ductless units give you independent heating and cooling without major construction.
- Ductless Replacement: Ductless unit at your Medford place running loud or not performing well? New models are quieter and more efficient.
- Ductless Repair: Ductless system in Medford showing error codes or leaking water? We service all brands and get it working again.
- Ductless Maintenance: Seasonal servicing keeps ductless equipment running quietly and efficiently year-round.
Boilers
Many Medford older homes and multi-family buildings still rely on boilers for steady, even warmth.
West Medford to South Medford, boiler systems have heated Medford households for generations. GEM technicians specialize in gas and oil boilers, delivering expert installation, repair, maintenance, and replacement for these reliable systems.
Radiant Heating
Radiant floor systems provide even, silent warmth. Favored in Medford’s renovated properties and new builds.
Radiant heat rises from floors, eliminating cold surfaces and drafts. GEM designs, installs, and maintains radiant systems suited to Medford properties, whether updating older structures or constructing new.
Oil to Gas Conversions
Still using oil heat? Converting to natural gas simplifies routines and often reduces expenses.
Some older Medford buildings continue using oil heating. Switching to gas eliminates fuel deliveries, reduces maintenance demands, and frequently lowers costs. GEM manages complete conversions, permits through final inspection.
Call (833) 222-2953 to schedule services.
Questions?

Indoor Air Quality Services in Medford
Medford’s urban setting introduces pollution and particulates while older buildings trap dust and allergens. Proper filtration and moisture management create noticeable improvement.
GEM helps Medford families breathe cleaner air through solutions eliminating contaminants, regulating humidity, and maintaining fresh healthy indoor environments.
Air Purifiers
Whole-property air purification captures allergens, dust, and pollutants that standard filters miss.
Medford’s urban environment means vehicle emissions and outdoor particles enter homes readily. GEM installs purification systems working alongside HVAC equipment to continuously scrub indoor air, reducing allergy symptoms and supporting better health.
Air Filtration
Advanced filtration protects your family from airborne contaminants.
High-efficiency media filters, UV systems neutralizing bacteria and viruses. GEM provides filtration options improving air quality and HVAC performance together.
Humidity Control
New England climate produces moisture challenges across all seasons. Proper management safeguards both property and health.
Winter air parches skin and woodwork. Summer humidity fosters mold and creates sticky discomfort. GEM installs whole-property humidifiers and dehumidifiers maintaining balanced moisture automatically.
Thermostats
Modern thermostats provide precise command over comfort and energy consumption.
Programmable models, smart thermostats controllable remotely. GEM handles installation and service for every variety. We verify seamless HVAC integration for peak performance.
Air Handlers
Your air handler circulates conditioned air throughout your property. Problems here affect comfort everywhere.
Reduced airflow, inconsistent temperatures, unusual sounds frequently indicate air handler trouble. GEM provides skilled installation, repair, and maintenance keeping air moving efficiently through Medford properties.
Specialized HVAC Solutions for Medford Properties
Certain comfort challenges demand specialized approaches. GEM offers advanced services extending beyond standard climate control.
Ductwork improvements, zoning systems. Our specialists deliver appropriate solutions for every project.
Ductwork
Properly designed, sealed ducts prove essential for efficient, even comfort.
Older Medford buildings sometimes contain leaky, undersized, or poorly routed ductwork. GEM provides duct repair, sealing, and installation services improving airflow, eliminating hot and cold spots, and reducing energy waste.
Zoned HVAC
Zoning systems permit independent temperature control across different areas.
Stop conditioning unused rooms or arguing over thermostat settings. GEM installs zoned systems delivering personalized comfort while cutting energy use. Perfect for Medford’s multi-level properties.
Geothermal
Geothermal systems harness earth’s constant temperature for ultra-efficient climate management.
Medford property owners seeking maximum efficiency with minimal environmental impact find geothermal attractive where space permits. GEM designs and installs systems dramatically lowering energy costs while providing quiet, reliable comfort.
Packaged HVAC
Packaged units merge warmth and cooling in one compact efficient system.
When interior space runs tight, packaged equipment offers a practical solution. GEM supplies and maintains these all-in-one systems for Medford properties where standard configurations cannot fit.
GEM Has Your Whole Home Covered
Schedule HVAC Services in Medford Today
For HVAC services in Medford, choose the team keeping Greater Boston comfortable since 1949. Repair, replacement, maintenance. GEM delivers dependable work you can trust. Call or book online for HVAC services in Medford. Same-day scheduling often available.
Common Questions About Medford HVAC Service
How often should HVAC equipment receive professional attention?
We suggest twice-annual maintenance for Medford’s climate: spring service for cooling equipment, fall attention for heating. Consistent maintenance prevents failures, preserves efficiency, and identifies minor issues before they become costly repairs.
What signals indicate equipment needs repair or replacement?
Common warning signs include uneven temperatures, strange sounds, rising utility bills, and frequent cycling. Equipment exceeding 15 years requiring regular repairs often costs less to replace. Our professionals assess your situation and suggest the smartest approach.
Can you service steam boilers in Medford’s older buildings?
Certainly. Steam systems heat many Medford properties. Our technicians possess deep experience maintaining and repairing steam boilers and radiator systems, and can guide upgrades when appropriate.
Is same-day service available in Medford?
Yes. Our fleet exceeding 500 vehicles across Greater Boston enables rapid response to Medford. Same-day booking available for most routine requests, 24/7 emergency service for urgent situations.
What rebates can Medford 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.


