

Experienced HVAC Professionals Serving Andover Homes
HVAC in Andover – Done Right
Andover sees it all: heavy summer heat, sticky humidity, and winters that drop fast. When your HVAC system is under that kind of pressure, you need a contractor who treats your home’s comfort as a priority, not an afterthought.
At Silco, we focus on long-term reliability. That means no shortcuts, no inflated invoices, and no high-pressure sales tactics when all you want is warm air or cool relief.
Our technicians take the time to fix the root cause, explain what’s happening with your system, and make sure the issue doesn’t return.






HVAC Services We Provide in Andover, MA
❄️ Air Conditioning Installation & Repair
We install and repair efficient cooling systems designed to handle Andover’s summer heat. Quick service, dependable results, and solutions that won’t drain your energy budget.


🔥 Heating System Services
From furnace replacements to boiler repairs and full heating upgrades, we keep your home warm, safe, and energy-efficient throughout the coldest months.
🏠Fireplace Services
Strange noises? Weak heat? Total system failure? Our technicians diagnose problems accurately and restore reliable heat without unnecessary trial and error.


🌬️ Ventilation
Better airflow improves health and comfort. We install and optimize ventilation systems that reduce allergens, manage humidity, and create cleaner indoor air.
♻️ Heat Pumps
One system for heating and cooling. We help homeowners choose the ideal heat pump and keep it operating efficiently year-round.


đźšż Plumbing Services
From leaking fixtures to water heater issues, our licensed plumbing team is ready to handle repairs, installations, and replacements with precision.
đź§° Furnace Service & Repairs
If your furnace is making noises, blowing cold air, or not turning on, we’ll find the cause and fix it properly so your home stays warm.

Why Andover Homeowners Rely on Silco
FAQs
Effortless Comfort with Andover HVAC Experts
📞 Call (781) 556-6639 or schedule online to get started now.
Andover HVAC Success Stories
From Fix-It List to Fully Solved: Elizabeth’s Andover Home Story
Ever have a few small issues at home suddenly feel like a big headache? That’s what Elizabeth in Andover was dealing with a failing shower valve, laundry connections acting up, and an AC that needed attention.
Once she reached out, we replaced her worn shower valve with a clean remodel plate, installed a new single-lever washer valve with braided hoses, and refreshed her AC with a filter and coil cleaning. Now everything runs exactly as it should, and Elizabeth enjoys the comfort and peace of mind every home deserves.

Ever live with an HVAC system that’s just… tired?
That was Katrin’s reality in Andover. The comfort was inconsistent, the efficiency was slipping, and her old system simply wasn’t keeping up anymore. So she reached out. We came in, evaluated her home’s heating and cooling needs, and confirmed what she already suspected, the system had done its time.
The solution? A full upgrade with an American Standard 3-ton, 14 SEER variable-speed heat pump paired with a 2-stage air handler and a new thermostat to bring everything together. Now Katrin’s home runs on quiet, steady, year-round comfort with the efficiency she’d been missing and the reliability she can finally count on.

Cooling and Hot Water Restored for Brian in Andover
Brian in Andover noticed his cooling and hot water systems fading fast and reached out for help.
After assessing everything, we replaced his old equipment with a new Bryant AC condenser and coil and upgraded him to an on-demand water heater.
Thanks to the updated setup, his home now runs efficiently and Brian finally has the dependable comfort he was missing.
