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🚨 Burst pipe, no heat or no AC right now? Call (484) 219-4103
ZyNex® Plumbing & HVAC Specialist
Heating

Heating & Furnace Repair in Montgomery & Chester County, PA

Delivering Desired Comfort…

No heat in a Pennsylvania January isn't an inconvenience, it's a burst-pipe risk. ZyNex® repairs, services and replaces furnaces, heat pumps, air handlers and ductless systems — gas, oil or electric. A Sunday call costs the same as a Tuesday afternoon.

  • Family Owned
  • Financing Available
  • EPA & A2L Certified
  • 4.9 Google Rating
  • Same-Day Service*
Our Services

Complete heating solutions for every home

Choose the service you need, or call and we'll work out which one it is.

Know the signs

Signs your heating system needs attention

Most no-heat calls we take in December were showing at least one of these in October.

  • No heat, or air that never gets warm
  • Some rooms far colder than others
  • System short-cycling on and off
  • Banging, screeching or rumbling on start-up
  • Yellow or flickering burner flame instead of blue
  • Burning or metallic smell when it runs
  • Gas or electric bills climbing year over year
  • Furnace older than 15 years
What happens next

What happens after you contact ZyNex®

  1. We confirm your details

    We review your request, confirm your preferred contact method, and lock in an arrival window that works for you.

    Answered in under 30 sec
  2. On-site diagnosis, zero hidden costs

    A uniformed ZyNex® technician inspects the problem and gives you a clear written quote on the spot. What you see is what you pay.

    Flat-rate, in writing
  3. You approve the work

    Once you review the plan and pricing, our technician completes the work and tests everything under real operating conditions.

    No overtime charges
The result

What a proper heating repair delivers

Every gas appliance we touch gets a combustion and draft test before we leave. That is not optional.

  • Even heat, room to room

    Airflow and duct balance corrected, so you're not heating the hallway to warm a bedroom.

  • Safe combustion

    Cracked heat exchangers and backdrafting are carbon monoxide risks. We test rather than assume.

  • Lower fuel bills

    A furnace running at correct gas pressure and airflow uses noticeably less to hit the same temperature.

  • Fewer midwinter breakdowns

    Autumn maintenance catches worn ignitors and sensors while it's still an appointment, not a crisis call.

  • Quieter operation

    Rumbling and banging traced to their actual cause — delayed ignition, blower imbalance or duct expansion.

  • A longer-lived system

    Correct filter schedule and annual service routinely add years before replacement becomes necessary.

Equipment we service

Heating brands we service

Whether you're maintaining existing equipment or comparing options for a replacement, our technicians know the hardware and how to service it correctly.

Google Certified Reviews

Trusted by local homeowners

  • Stacy M.3 weeks ago
    ★★★★★

    A clogged drain that backed up that we couldn't solve ourselves required a professional! So glad I contacted ZyNex®. A quoted time slot was provided, and no wait — they were at my home within 30 minutes! Ethan and Jose were friendly, efficient and professional. Definitely recommend!

  • Brandon Miller1 month ago
    ★★★★★

    ZyNex® did a great job resolving the plumbing issues at my property. Brian, Ethan and Blake provided same-day service and I wouldn't hesitate to recommend their services.

  • Enrique Mentado Sosa2 months ago
    ★★★★★

    Mike, Ethan, Jose and Bradley were a fantastic group to work with. They made getting rid of a leaking water heater a breeze even with little room to work in, and installed a brand new tankless system — all in a single day.

Frequently Asked Questions

You have questions, we have answers

I have no heat. Is that an emergency?

In a Pennsylvania winter, yes — and not only for comfort. An unheated house risks frozen and burst pipes within hours. We run 24/7 through the heating season and prioritise no-heat calls.

Do you charge extra for a night or weekend call-out?

No. Our flat rate is identical at 2pm on a Tuesday and 2am on Christmas morning. No overtime, no holiday surcharge.

How often should a furnace be serviced?

Once a year, before the heating season. A proper tune-up covers combustion, safety controls, the heat exchanger and airflow — and it is where cracked exchangers get caught.

Should I repair or replace my furnace?

If the repair costs more than half a replacement, replacement usually wins. Age matters too: past 15 years, and especially with a cracked heat exchanger, replacement is normally the safer call. We price both.

My furnace smells like burning when it first starts. Is that normal?

Dust burning off the heat exchanger on the first run of the season is normal and passes within an hour. A persistent burning smell, or any smell of gas, is not — shut the system off and call us.

Do heat pumps actually work in Pennsylvania winters?

Modern cold-climate heat pumps hold useful capacity well below freezing, and are far more efficient than resistance heat. Sizing and backup-heat staging are what make or break them here, which is where most installs go wrong.

How often should I change the filter?

Every 1–3 months for a 1-inch filter, longer for 4- and 5-inch media filters. A blocked filter is the single most common cause of the no-heat calls we attend.

Do you offer financing on a new system?

Yes. 0% APR plans are available on qualifying furnace and heat pump replacements, with approval usually taking a couple of minutes.

Our Service Area

Proudly serving Montgomery & Chester County

Based in Pottstown. If your town isn’t on the list, call anyway — we probably still come out.

  • Pottstown, PA
    19465
  • Phoenixville, PA
    19460
  • Collegeville, PA
    19426
  • West Chester, PA
    19380
  • Downingtown, PA
    19335
  • Exton, PA
    19341
  • Malvern, PA
    19355
  • Royersford, PA
    19468
  • Spring City, PA
    19475
  • Chester Springs, PA
    19425
  • Limerick, PA
    19468
  • Sanatoga, PA
    19464
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Quick and reliable

Always by your side when you need us

Same-day heating service across Montgomery and Chester County, from a family-owned team that has been doing this for forty years.