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Andover Borough sits just off Route 206 in Sussex County, a few miles north of Newton, at the kind of elevation that delivers genuinely cool spring mornings — but also sends humidity spiking in July and August when aging air conditioners are already working their hardest. Constant Air has been serving Andover and the surrounding area since 1999, and our shop in Newton puts us roughly 5–10 minutes from your door when your system goes down.
Andover’s housing stock runs heavily toward older capes, ranches, and farmhouses — many with central-air systems that have been running for well over a decade. Those are exactly the systems that develop slow refrigerant leaks, fail capacitors, and coil fouling over time. Our licensed technicians don’t guess: we diagnose the actual root cause, show you what we found, and give you a written price before any work starts. No surprise invoices.
We carry parts for the most common residential central-air and ductless mini-split brands on our service vehicles, so most Andover AC repairs close in a single visit. You won’t be waiting days for a return trip from a regional dispatch center an hour away — we’re local, and that matters when the house is 85 degrees inside.
Andover homeowners call Constant Air because we’re genuinely local — our Newton base is a few miles down Route 206, not a regional call center routing your ticket to whoever is available an hour away. We’ve worked on the older equipment common to this part of Sussex County long enough to know what fails here and why. When a repair is the right call, we’ll fix it. When a system is near end of life, we’ll tell you honestly and show you the numbers. We’ve operated since 1999, hold NJ HVACR license #19HC00108700, and carry full insurance. Same-day service, 24/7 emergency dispatch, free in-home estimates, and Hearth financing available — Constant Air treats every Andover call the way we’d want our own neighbors treated.
Straight, written estimate before any work starts.
We diagnose for your actual Andover home — not a one-size guess.
NJ-licensed techs (#19HC00108700), done right the first time.
We stand behind the work and answer 24/7.
Our Newton shop is roughly 5–10 minutes from Andover Borough, which makes us one of the fastest response options in Sussex County. We offer same-day service for most repair calls and run 24/7 for no-cool emergencies — call (973) 948-0680 and we’ll dispatch a technician without the long wait windows a distant regional company would require.
Common repairs — a failed capacitor, contactor, or refrigerant recharge — typically run $150–$450. Mid-range repairs such as a blower motor or evaporator coil replacement generally fall between $350–$700. Major work like a compressor replacement can reach $800–$1,800 depending on the system. We always provide a written estimate before starting, so there are no surprises when the invoice comes.
Often yes, depending on the fault and the system’s age. Andover has a lot of older homes with HVAC equipment that is 12–20 years old, and many of those systems have years of life left with the right repair. We’ll diagnose the actual fault and give you a straight answer: if a repair makes sense we’ll say so, and if replacement is smarter we’ll show you why — no pressure either way.
Yes. We service central-air systems, heat pumps, and ductless mini-splits throughout Andover and Sussex County — diagnostics, refrigerant work (EPA-certified), electrical faults, and component replacement across all major brands. Call (973) 948-0680 or schedule online for same-day service.
Newton’s local HVAC team since 1999 — we answer 24/7 and serve all of Sussex County.
At Constant Air, we specialize in delivering high-quality heating, ventilation, and air conditioning services that keep your home and business comfortable all year round.
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