Lawrence, Massachusetts
Reliable Heating & Cooling in Lawrence, MA
Stardust HVAC handles residential and commercial heating and cooling across Lawrence and the Merrimack Valley — furnaces that won't fire, boilers that leave radiators cold, A/C that blows warm, and the breakdowns that never happen at a convenient hour.
- One company for heating and cooling
- Comfortable working on older homes
- Landlords & property owners welcome
- Straight answers on repair vs. replace
Open 7 Days
7:00 AM – 12:00 AM
Urgent Calls
No heat & no cooling prioritized
Residential & Commercial
Homes, multi-family & businesses
Heating & Cooling
Repair, install & maintain
Local to Lawrence
Merrimack Valley coverage
HVAC services
What we fix for Lawrence homes and businesses
From a furnace that short-cycles to a full system replacement, the problem is diagnosed properly and explained before work starts.
Air Conditioning Services
A/C repair, maintenance, installation, replacement, and emergency service.
Learn moreHeating Services
Heating repair, maintenance, installation, furnaces, boilers, and heat pumps.
Learn moreHVAC Installation
New heating and cooling systems sized and installed for your home.
Learn moreHVAC Repair
Whole-system HVAC repair and emergency HVAC service.
Learn moreDuctless Mini-Split Services
Ductless heating and A/C installation, repair, and replacement.
Learn moreDuctwork and Ventilation
Duct and vent cleaning, installation, and repair.
Learn moreThermostat Services
Thermostat repair, installation, and smart thermostats.
Learn moreCommercial HVAC Services
Repair and maintenance for commercial heating and cooling.
Learn moreRecent work
Photos from jobs we've done
Real equipment from real service calls — the systems we open up, diagnose, and put back into working order.
Evaporator coil cleaning
Coil fins sprayed clean inside an air handler cabinet.
Condenser electrical check
Electrical panel open and pressures checked on an outdoor unit.
Basement air handler
PVC venting, insulated duct and gas line on an indoor unit.
Water heater & expansion tank
Tank and expansion tank serviced in a basement mechanical room.
Why Lawrence chooses Stardust
HVAC work that holds up, explained in plain English
Most HVAC frustration comes from not knowing what was actually wrong or what you paid for. We work the other way around.
- Diagnosis before recommending — we find the cause instead of guessing at parts
- Clear options explained before work begins, and a conversation if the scope changes
- Comfortable with older homes: boilers, radiators, oil-to-gas systems and tight basements
- Honest repair-versus-replace advice, even when the answer is the smaller job
- Drop cloths, shoe covers and a clean work area in every home
- Long service hours — 7 AM to midnight, every day of the week
Emergency HVAC
No heat or no cooling? Call us first.
A heating failure in January or an A/C breakdown in a heat wave can't always wait. Calls are triaged on the phone so you know what's safe while help is arranged.
Smell gas? Leave the home right away and call your gas utility or 911 from outside before calling for HVAC service.
Call 978-626-3794- No heat in cold weather
- Furnace won't ignite
- Boiler not heating radiators
- A/C blowing warm air
- Water leaking from equipment
- Frozen A/C lines
- Burning smell from vents
- System won't turn on
Local knowledge
Your local Lawrence HVAC company
Lawrence isn't a generic service area to us — it's the housing we know, and it has its own patterns. Many homes here were built long before modern heating equipment was standard, so it's common to find older boilers, radiator systems, and ductwork that's been modified over the decades.
Multi-family buildings add their own challenges: several units sharing a system, uneven temperatures between floors, and equipment that's been running hard for years. Regular maintenance usually costs an owner less than reacting to breakdowns.
Then there's the weather. New England winters push heating systems to their limits, and summer humidity exposes every weak A/C. We treat prevention as part of the conversation, not an upsell.
Who we work for
Residential and commercial HVAC under one roof
The same standards — scaled to a single apartment or a full building.
Homeowners & landlords
Residential HVAC
Repairs, replacements, and maintenance for single-family homes, condos, and multi-family properties.
- Furnace & boiler repair
- Central air & heat pumps
- Ductless mini-splits
- Seasonal tune-ups
Businesses & property managers
Commercial HVAC
Offices, retail, restaurants, and multi-unit buildings — repair when something fails, maintenance so it fails less.
- Rooftop & split systems
- Commercial heating
- Scheduled maintenance
- Replacement planning
How it works
A service call without the guesswork
Four steps, every job — whether it's a tune-up or a full system replacement.
- 01
Call or request service
Tell us what the system is doing. We'll ask the questions that separate an urgent failure from a scheduled repair.
- 02
Diagnosis on site
A technician finds the actual cause rather than replacing parts until something works.
- 03
Options before the work
You hear the scope and your choices before anyone picks up a tool. If the picture changes, we stop and talk first.
- 04
Repair, test, clean up
The system is tested under real conditions, the space is left clean, and you get a plain explanation.
Where we work
Lawrence first, Merrimack Valley close behind
Lawrence is our home base. From there we cover the surrounding Massachusetts communities.
View full service areaQuestions we get asked
HVAC questions from Lawrence homeowners
Do you offer emergency HVAC service?+
Yes — call us if you have no heat, no cooling, or equipment leaking. We're available 7 AM to midnight, 7 days a week, and we'll help you understand what's safe while a visit is arranged.
Do you work on both heating and cooling?+
Yes. We repair, install, replace, and maintain furnaces, boilers, heat pumps, central air, and ductless mini-splits.
Do you work on older homes?+
Yes. Much of the Merrimack Valley's housing is older, with boilers, radiators, and modified ductwork. We're comfortable diagnosing and servicing those systems.
Should I repair or replace my system?+
It depends on age, condition, and repair cost. We explain both options plainly so you can decide what makes sense for your home and budget.
Do you serve landlords and businesses?+
Yes. We work with homeowners, multi-family property owners, landlords, and commercial customers.
What should I do if I smell gas?+
Leave the building right away and call your gas utility or 911 from outside. Call for HVAC service only after it's safe.
Get HVAC help in Lawrence today
Call 978-626-3794 to speak with us, or request service and we'll get back to you with next steps.
Open 7 days · 7:00 AM – 12:00 AM