Furnace Repair Near Boston, MA

$99 Furnace Repair Diagnostic

$89 Furnace Repair Diagnostic

$79 Furnace Repair Diagnostic

$99
Regular Price
$99
$89
Available for a Limited Time → Book Today!
Regular Price
$99
$79
Act Now—This Deal Expires Soon!
Noticing strange sounds, weak airflow, or rising energy bills? See the full list of hidden HVAC warning signs before it’s too late ↓

Furnace Repair Near Boston, MA

(508) 443-6451
(508) 443-6452
(508) 443-6453
Schedule Now

Honest, Fair-Priced Furnace Repair in Boston

Our technicians are highly trained and experienced. They arrive with the right tools, parts, and know-how. We diagnose issues quickly and explain what we find in plain language. In most cases, your Furnace Repair is completed on the first visit.

Before any work begins, we review every option and price so you can choose what works best. We service most equipment brands and models. We stand behind our work with a clear satisfaction guarantee.

Schedule Now

SumZero Energy Systems is Here for All of Your Furnace Repair Needs in Boston!

  • Fully Stocked Trucks — Most repairs completed on the first visit  
  • Friendly Professionals — Courteous, on-time techs who respect your home  
  • Fully Licensed & Insured — Work done right and backed by credentials  
  • Same Day Service Available — Restore heat fast when you need it most  
  • 100% Satisfaction Guarantee — We stand behind every repair  
  • Complimentary 2nd Opinions — Honest guidance before you decide

We’re ready to help with Furnace Repair in Boston, MA. As your local, professional team, we’re proud to provide prompt, dependable furnace service to homeowners and businesses across the Boston area.

Contact Us

See all Offers!

Top-Quality Heating and Cooling Services Near Boston, MA

Call Today for Your Furnace Repair!

Reliable, High‑Quality Furnace Repair That Restores Comfort Fast

Furnace Repair and Boston MA’s Trusted Heating & Cooling Professionals — Your Local Experts

Furnace Repair at SumZero Energy Systems starts with a thorough diagnosis to find the root cause quickly and safely. We listen to your concerns, run safety and performance checks, test ignition and electrical components, analyze combustion, and inspect heat exchangers, vents, and airflow. Then we explain our findings clearly and provide an upfront estimate before work begins. We fix common issues like no heat or uneven heat, short cycling, ignition or pilot failures, faulty thermostats, blower or inducer motor problems, clogged filters, dirty burners, strange noises or odors, and tripped limit switches—using quality parts to restore efficiency and reliability. Beyond repairs, we offer complete heating and cooling solutions: furnace installation and maintenance, boiler and heat pump service, AC repair and replacement, ductwork and ventilation, indoor air quality upgrades, smart thermostats, and 24/7 emergency support for homes and businesses. Expect “exceptional service,” transparent communication, and “quality craftsmanship” from a team you can trust. SumZero Energy Systems is proudly and professionally serving the Boston, MA area.

Schedule Now

Furnace Repair in Boston

Know the signs and risks

If your heating seems off, pay attention to the signs and potential risks that could escalate quickly. Review the common indicators below, act early to avoid larger issues, and count on SumZero Energy Systems for dependable Boston furnace repair.

Unpleasant odors from vents

Sign

Accumulated dust, mold, or a gas leak in the system.o Risks: Exposure to poor air quality or potential health hazards from gas leaks.

Risk
Estimated Time for Diagnostic:
30-45 minutes

Uneven heating in rooms

Sign

Leaky ducts, insufficient insulation, or a failing blower fan.

Risk

Cold spots in your home can create discomfort and force overuse of your system, reducing its lifespan.

Estimated Time for Diagnostic:
60 minutes

Frequent cycling on and off

Sign

Faulty thermostat, dirty sensors, or short-cycling due to overheating.

Risk

Increased energy bills and unnecessary wear and tear on the system, leading to costly repairs.

Estimated Time for Diagnostic:
45 minutes

Furnace not producing heat

Sign

Malfunctioning thermostat, clogged filters, or ignition failure.

Risk

Risk of frozen pipes and dangerously cold indoor temperatures, especially for children or elderly family members.

Estimated Time for Diagnostic:
45–60 minutes

Noisy furnace operation

Sign

Loose or damaged components, such as a failing blower motor or dirty burners.

Risk

Noise can signal mechanical failure, leading to a complete system breakdown and leaving your family without heat during the coldest months.

Estimated Time for Diagnostic:
45–60 minutes

Schedule a Comprehensive Home Furnace Repair Near You in Boston, MA

Is your home’s heating system acting up? Trust SumZero Energy Systems for reliable repair services near you. Schedule your appointment today and get expert help on the way!

Schedule Now

Frequently Asked Questions About Furnace Repair

You’re not alone—SumZero Energy Systems is here with clear, trustworthy answers to the most common questions about keeping your furnace running safely and efficiently.

Why trust SumZero for furnace repair?
We’re a local, highly rated team committed to honest work, fast service, and keeping your home safe and warm—all backed by our satisfaction guarantee.
How long does a typical furnace repair take?
Most repairs take 30 to 90 minutes. We’ll assess the issue and let you know upfront what to expect in terms of timing and cost.
Do you repair all furnace brands and models?
Yes. Our technicians are experienced with a wide range of gas, electric, and high-efficiency furnace systems.
How quickly can I schedule a furnace repair appointment?
We offer fast scheduling and do our best to fit you in the same day or next, especially during high-demand heating seasons.
Is it dangerous to run a broken furnace?
It can be. Issues like gas leaks or carbon monoxide can pose serious risks. It’s best to shut off your furnace and call us immediately for inspection.
What if my furnace is more than 15 years old?
If your furnace is over 15 years old and repair costs are high, we may recommend replacement. We'll guide you through your best options with no pressure.
Can you fix my furnace during the same visit?
In most cases, yes. Our trucks are stocked with common parts and tools to complete many repairs on the spot.
What’s included in your $99 furnace diagnostic visit?
Our technician inspects your furnace, checks key components, identifies the issue, and provides a detailed explanation and estimate before any work begins.
Do you offer emergency furnace repair services?
Yes. We offer emergency repairs to restore heat quickly—especially during cold Massachusetts winters when safety is a priority.
What are the signs my furnace needs repair?
Unusual noises, inconsistent heat, a sudden increase in energy bills, or the furnace cycling on and off frequently are common signs your furnace may need repair.