Furnace

Reliable furnace
repair, installation & maintenance

If your furnace is short-cycling, blowing cool air, making noise, or not starting at all, ER Plumbing & Heating gets to the real cause and fixes it properly — so your home stays warm all winter.

Upfront options. Clean work. No pressure.

No-Heat Priority Response Upfront Diagnosis Repair or Replace Guidance Seasonal Tune-Ups
Furnace Tips

How to make your furnace last longer

Most “no-heat” calls start with small issues that build up over time. These 5 homeowner-level tips help your furnace run smoother, reduce strain, and avoid mid-winter breakdowns.

Book Furnace Service →

If anything below feels unclear, don’t guess — we’ll check it safely.

Tip 1: Change or clean the furnace filter+
A clogged filter forces your furnace to work harder, reduces airflow, and can cause overheating or short-cycling.
  • Check monthly in winter; most homes need a change every 1–3 months.
  • Turn the furnace off before swapping filters.
  • Make sure the arrow on the filter points toward the furnace (airflow direction).
  • If you have pets or renovations, you’ll likely need to change it more often.
Tip 2: Keep vents and returns clear+
Blocked vents choke airflow, making the furnace run longer and hotter than it should.
  • Don’t cover registers with rugs, furniture, or curtains.
  • Vacuum dust from supply vents and especially return air grilles.
  • Avoid closing too many vents — it can unbalance airflow and increase strain.
Tip 3: Use your thermostat smarter+
Big temperature swings can cause extra cycling and wear. A steady plan is easier on the system.
  • Avoid frequent “cranking it up” — raise temps gradually if needed.
  • If you have a programmable thermostat, set a simple schedule that matches your routine.
  • If the furnace runs non-stop or cycles every few minutes, that’s a sign something’s off.
Tip 4: Keep the furnace area clean and breathable+
Dust, storage clutter, and restricted airflow around the furnace can cause performance issues and safety concerns.
  • Keep at least 2–3 feet clear around the furnace.
  • Don’t store paint, chemicals, or flammables nearby.
  • If you notice a musty smell or visible dust buildup, it’s time for a quick cleanup and filter check.
Tip 5: Book a yearly furnace tune-up+
A professional tune-up catches small problems before they become expensive repairs — especially before winter peak season.
  • We check ignition, flame sensor, airflow, safety switches, and overall performance.
  • We spot early signs of wear so you can fix it on your schedule — not during a cold snap.
  • Ideal timing: early fall, or anytime your furnace seems loud, uneven, or inconsistent.
Furnace Brands

We service Navien and
most major furnace brands

Furnace problems don’t care what brand you own — but diagnosing and fixing them properly often depends on it. Different furnaces use different igniters, sensors, control boards, blower setups, and airflow limits. That’s why we approach this the same way every time: identify the unit, confirm the real cause, and fix it clean — no guessing.

Brand-aware troubleshooting Parts matched properly Safety-first checks Clear repair vs replace advice
What we handle (furnace-only)
✓
No-heat issues, intermittent heat, and short-cycling
✓
Ignition problems (clicking, delayed ignition, starts then shuts off)
✓
Airflow complaints (weak airflow, uneven heat, cold rooms)
✓
Noisy furnaces (rattle, bang, squeal) — traced to the real source
✓
Annual tune-ups that reduce breakdown risk during winter peak
Quick ID tip (helps us move faster)
Your furnace brand/model is usually on the rating plate behind the front panel. If you ever need service, a quick photo of the model + serial helps confirm parts and age fast.
Logos below are for brand recognition only. Trademarks belong to their respective owners.
Brands we commonly work with
Navien logo
Carrier logo
Lennox logo
Goodman logo
Rheem logo
Amana logo
American Standard logo
Daikin logo
Trane Technologies logo
If a logo ever fails to load inside Nicepage, the best fix is to download the file and upload it to your site media, then replace the image URL with your hosted file link (100% reliable).
Furnace types we service (brand-independent)
Single-stageTwo-stageModulatingHigh-efficiencyOlder mid-efficiency
The goal is simple: stable heat, safe operation, and fewer surprise breakdowns when Calgary temperatures drop.
Furnace Decision Guide

Repair or replace your furnace?
Here’s the simple way to decide.

Most homeowners don’t need a “sales pitch” — they need a clear answer. Use this guide as a fast filter. If you’re on the fence, ER Plumbing & Heating can inspect your furnace, explain what’s failing, and tell you if a repair makes sense or if replacement is the smarter move.

No-pressure recommendations Upfront options Furnace-only focus
Quick rule (use this first)
If your furnace is older and you’re facing repeat repairs or unreliable heat, replacement often becomes the better long-term decision. If it’s a newer unit with a single failed part, a repair usually makes sense.
Repair is usually the right call if…
✓The furnace is newer and has been reliable until now.
✓The issue looks like a single failed component (sensor, igniter, thermostat).
✓Heat is mostly steady — you’re not dealing with frequent no-heat calls.
✓The repair cost is reasonable compared to the furnace’s age and condition.
Replacement starts making sense if…
!You’ve had multiple repairs in a short timeframe.
!The furnace struggles during cold snaps (long run times, poor heat, short cycling).
!Parts are becoming hard to source or repairs are getting expensive.
!You want more consistent comfort and fewer surprise breakdowns.
What ER checks before recommending repair or replacement+
We look at the failure point and the conditions that caused it — ignition and sensor health, blower performance, airflow restrictions, cycling patterns, and thermostat behavior. Then we explain what’s happening in plain language and give you real options.
The biggest mistake homeowners make+
Waiting until the furnace fully dies during a cold snap. Small symptoms (short cycling, weak airflow, odd smells, louder operation) are usually warning signs. Catching it early often keeps the repair simpler.
Furnace Maintenance Calgary

Furnace maintenance in Calgary —
what a proper tune-up actually does

Furnace maintenance isn’t a “quick look.” A real furnace tune-up reduces strain on the system, helps keep heat consistent across your home, and lowers the chance of a no-heat breakdown when Calgary temperatures drop. ER Plumbing & Heating provides furnace maintenance across Calgary and surrounding areas with a practical, safety-first checklist — not guesswork.

✓Furnace tune-ups help prevent short-cycling, weak airflow, and inconsistent heat.
✓Seasonal maintenance reduces stress on ignition parts, sensors, and blower components.
✓It’s especially valuable for homes with pets, dust, renovations, or older ductwork.
Best time to book furnace maintenance in Calgary
Early fall is ideal (before the first cold snap). If you missed it, book any time you notice louder operation, uneven heating, short cycling, or rising energy bills.
What’s included in a furnace maintenance visit
✓Basic ignition and startup behavior check (reliable starts, stable flame).
✓Sensor and safety control checks (common shutdown causes).
✓Airflow review (filters, returns, restrictions that make furnaces overwork).
✓Cycle consistency check (short cycling and overheating indicators).
✓Clear summary of what we found + what to watch for next.
(Exact steps can vary by furnace model and condition.)
Signs your furnace needs maintenance
Short cycling
Turns on and off too often, struggles to maintain steady heat.
Weak airflow
Rooms feel uneven, vents don’t push much warm air.
New noises
Rattling, squealing, or banging that wasn’t there before.
Dry air / dust buildup
More dust than usual, filters clog quickly, air feels stale.
Higher energy bills
Furnace runs longer to do the same job.
Inconsistent heat
Some rooms run cold even when the thermostat is set properly.
How often should I do furnace maintenance?+
Most homes benefit from annual furnace maintenance, ideally before winter. If your furnace runs heavily (pets, dust, older ductwork), maintenance can be helpful more often.
Is changing the filter “enough”?+
Filter changes are important, but they’re only one piece. A tune-up looks at ignition behavior, cycling patterns, airflow restrictions, and common shutdown causes that a filter swap won’t catch.
Can furnace maintenance help with uneven heating?+
Often, yes. Uneven heating is frequently tied to airflow restrictions, clogged filters, return-air issues, or blower performance. If the cause is ducting layout or insulation, we’ll tell you that too — no guessing.