RUNASO RV Service

Certified RV Service Hamilton Based, Ontario Wide Service

Furnace Diagnostics & Repair

Professional diagnostics and repair of RV furnace systems to restore safe, reliable heating performance within manufacturer design limits.

Quick Service Overview

Mobile & In-Shop Service

Final Availability may depend on RV size, condition, and access.

Areas RUNASO Mobile RV Service Covers

Hamilton Region (Ancaster, Dundas, Flamborough, Glanbrook, Stoney Creek, Waterdown, Downtown Hamilton, East Hamilton, Mountain)
Niagara Region (St. Catharines, Niagara Falls, Welland, Fort Erie, Thorold, Grimsby, Lincoln, Niagara-on-the-Lake, Pelham, Wainfleet, West Lincoln)
Halton Region (Burlington, Oakville, Milton, Halton Hills)
Peel Region (Brampton, Mississauga, Caledon)
Wellington County (Guelph, Fergus, Elora, Centre Wellington, Puslinch)
Haldimand County (Caledonia, Cayuga)
Brant County (Brantford, Paris)
Toronto (Downtown Toronto, North York, Scarborough, Etobicoke, York, East York)

Safe Heat Restoration

Heating faults are diagnosed and addressed.

Control & Ignition Checks

Electrical and ignition systems are tested.

Targeted Repairs

Only identified issues are repaired.

Common Problems We Fix

RV furnaces can fail due to fuel, electrical, or airflow issues.

Furnace won’t ignite or start

Ignition, control board, or safety switch issues.

Runs but produces little or no heat

Airflow restrictions or burner problems.

Short cycling or frequent shutdowns

Overheating sensors or airflow faults.

Unusual smells or noises

Combustion or mechanical issues requiring inspection.

RV Heating and Air Conditioning

RV AC Repair

Accurate diagnostics and reliable repair for rooftop and ducted RV air conditioning systems.

RV Heating and Air Conditioning

RV Heating and Air Conditioning Repair Service

Professional diagnosis and repair for RV climate control systems to keep your vehicle safe, efficient, and comfortable in all conditions.

RV Heating and Air Conditioning

Rooftop AC Repair

Diagnose and repair RV rooftop air conditioning systems to restore reliable cooling, proper airflow, and safe electrical operation.

RV Heating and Air Conditioning

Climate control optimization

Professional optimization of RV heating and cooling systems to improve airflow balance, comfort consistency, and energy efficiency.

RV Heating and Air Conditioning

AC electrical diagnostics

Professional electrical diagnostics for RV air conditioning systems to identify power, control, and circuit-related faults accurately.

RV Heating and Air Conditioning

Seasonal HVAC servicing

Professional seasonal servicing of RV heating and air conditioning systems to support reliable operation, efficiency, and early issue detection.

Our Solution

RUNASO provides furnace diagnostics and repair using a structured process to evaluate ignition, combustion airflow, electrical controls, and safety devices. Repairs focus on restoring normal operation but do not increase furnace capacity or replace required safety inspections beyond the scope of service.

Ignition & Control Systems

Boards, switches, and ignition components are checked.

Airflow & Venting

Combustion and circulation airflow are inspected.

Operational Safety

Basic safety-related behavior is verified.

What's Included

Furnace Inspection & Diagnostics

Evaluation of heating performance and fault symptoms.

Furnace Repair

Repair or replacement of failed components as approved.

Post-Repair Operation Check

Heating response and system behavior are verified.

How The Service Works

Pricing

Furnace diagnostics and repair pricing depends on fault type, component availability, and repair complexity. Diagnostic and repair costs are quoted before work proceeds.

Type of furnace fault

Required replacement parts

Access and labor time

Safety-related testing needs

Why Choose RUNASO

RV Heating System Experience

We understand RV furnace safety and limits.

Safety-Focused Repairs

Combustion and control risks are taken seriously.

Clear Expectations

Heat restored within design—not beyond it.

Frequently Asked Questions

What does furnace diagnostics and repair include for an RV?

This service includes inspecting, testing, and repairing the RV furnace to ensure proper ignition, airflow, heat output, and safe operation.

Why is my RV furnace not turning on at all?

Common causes include thermostat issues, low battery voltage, blown fuses, faulty control boards, or safety lockouts.

Why does my RV furnace blow air but not produce heat?

This often indicates ignition failure, propane supply issues, dirty burners, or problems with the flame sensor.

Can low battery voltage affect furnace operation?

Yes. RV furnaces rely on 12V power for ignition and controls. Low voltage can prevent the furnace from starting or operating reliably.

What causes an RV furnace to cycle on and off frequently?

Short cycling can be caused by airflow restrictions, dirty ducts, thermostat placement issues, or overheating safety shutdowns.

Is it safe to use an RV furnace with ignition problems?

No. Ignition issues should be addressed promptly, as improper combustion can reduce efficiency and pose safety risks.

How do you diagnose RV furnace problems?

Diagnostics include checking propane pressure, electrical supply, ignition sequence, airflow, exhaust paths, and control board operation.

Can dirty burners or ducts reduce heating performance?

Yes. Dirt or debris can disrupt flame quality and airflow, reducing heat output and efficiency.

Does furnace repair include checking exhaust and intake vents?

Yes. Proper exhaust and intake airflow are critical for safe furnace operation and are inspected during service.

How long does furnace diagnostics and repair usually take?

Most furnace diagnostics and repairs are completed within a few hours, depending on the issue and part availability.

Can furnace issues affect other RV systems?

Yes. Furnace problems can impact propane supply balance, electrical systems, and overall climate comfort.

When should RV furnace systems be inspected?

Inspection is recommended annually, before cold-weather travel, or whenever heating performance changes.

Schedule Furnace Diagnostics

RV furnaces rely on precise interaction between propane supply, electrical controls, airflow, and safety devices. Furnace diagnostics and repair focuses on identifying faults and correcting specific issues—without guaranteeing maximum heat output in extreme cold or certifying the system as permanently risk-free.