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Pool Heater Service & Installation in Bellingham, MA

Gas pool heater installation, service, and repair for Bellingham and the MetroWest towns around it.

Call (508) 282-1000 4.3 · 45 Google reviews

Hannon Heating & Air Conditioning installs, services, and repairs gas pool heaters in Bellingham, MA and the MetroWest towns around it. Gas piping and burner work are what we do all winter on furnaces and boilers; a pool heater is the summer version of the same trade. You get an upfront quote before any work begins. Our service area includes Hopedale, Norfolk, and Uxbridge.

What a Heater Buys You in a New England Season

Without heat, a MetroWest pool is comfortable from late June to maybe late August. A gas heater adds real weeks on both ends — the pool opens usable in May, stays swimmable past Labor Day, and recovers fast after a cool stretch. Two decisions drive the experience: sizing, where BTU output against your pool's volume decides whether warm-up takes an afternoon or three days, and a cover, which decides how much of that heat you keep overnight. We size the heater to the pool and say so plainly when a smaller unit will frustrate you.

Sizing

BTU output against your pool's volume decides whether warm-up takes an afternoon or three days.

A cover

Decides how much of that heat you keep overnight.

Pool Heater Won't Fire? The Usual Suspects

Most no-fire calls trace to a short list: gas supply and pressure problems, a worn igniter (a normal wear item, same as on a furnace), a dirty flame sensor shutting things down seconds after light-off, or airflow blocked by leaves and debris. Low water flow matters too — a dirty filter can keep the pressure switch from ever letting the burner light. Most of these are quick professional fixes. If the heater clicks but never lights, or lights and then drops out, get in touch before the pool goes cold for the week.

How Long a Pool Heater Lasts, Honestly

Water chemistry decides it. A gas pool heater kept on balanced water and looked over routinely reaches the long end of its life; one running aggressive chemistry eats its heat exchanger years early. We call repair-versus-replace the same way we do on furnaces: a young heater with a worn igniter or flame sensor is an easy repair, while an old one with a corroded heat exchanger is telling you it's done. We quote the repair before touching anything, and we'll say plainly when replacement is the better spend.

Frequently Asked Questions

My pool heater won't fire up — what usually causes that?
Check the simple things first: gas valve on, power to the heater, filter clean enough for full flow. Past those, the usual failures are a worn igniter, a dirty flame sensor, gas pressure problems, or a flow switch that won't close. All are routine repairs, and most finish in one visit.
How many years should a gas pool heater last?
Figure 8 to 12 years, and water chemistry picks which end you get. Balanced water and a yearly once-over reach the long end; aggressive chemistry corrodes the heat exchanger early. A worn igniter on a young heater is worth repairing, while a leaking heat exchanger on an old one usually means replacement.
Can a heater really stretch the swim season here?
Yes, that's the whole point in New England. A properly sized gas heater opens the pool weeks earlier in May and keeps it swimmable past Labor Day, and it pulls the water temperature back up quickly after a cool spell. With a cover holding the heat overnight, you keep those gains without fighting for them every day.
What drives the cost of running a pool heater?
Three things you control: the target temperature (each degree costs more than the last), whether a cover goes on at night (an uncovered pool sheds heat to cool night air fast), and how hard you push the shoulder season, since cool September nights make the heater work hardest. We'll set honest expectations for your pool before you commit.

Ready for Reliable HVAC Service?

Call about a repair, a tune-up, or a straight quote on a replacement. You'll talk to the person who does the work.

(508) 282-1000 Request an Estimate

Mon-Fri 7am-5pm · Emergency Service Available