Leading Heating and Air Conditioning Services in Port Lambton, ON

Stay comfortable year-round in Port Lambton with Postma Heating & Cooling. Call for same-day service, on-time arrivals, and straightforward pricing.

When you need reliable air conditioning and heating services in Port Lambton, ON, trust Postma Heating & Cooling. As your local AC contractor and heating contractor, our background-checked technicians deliver rapid response, clear options, and quality workmanship on every visit. From urgent AC service to preventive heater service, our air conditioner service company and furnace service company use the latest technology, keep your home tidy, and back the work with 100% guaranteed satisfaction.

See what your neighbours say about us. Visit our Reviews to learn why Port Lambton homeowners choose our on-time service and skilled, professional technicians.

Air Conditioning Repair and Replacement in Lambton County

A cooling outage on a hot day can’t wait. Our AC service company offers same-day AC service whenever possible, thorough, educated troubleshooting before work begins, and flat-rate pricing with no surprises. Whether you need a quick AC repair, airflow balancing, or a complete air conditioner replacement, we tailor solutions to your home, budget, and efficiency goals.

What we service and install:

  • Central AC, heat pumps, and ductless mini-splits
  • High-efficiency air conditioner installation and system upgrades
  • Smart thermostat setup and zoning
  • Indoor air quality add-ons like media filters and UV lights

Signs you may need AC repair or replacement:

  • Warm air from vents, weak airflow, or uneven cooling
  • Short cycling, frequent breaker trips, or won’t start
  • Unusual noises such as buzzing, grinding, or rattling
  • Musty odours, icing on refrigerant lines, or water near the air handler
  • Energy bills rising without a change in usage
  • AC is 10–15+ years old with recurring repairs

Why Port Lambton homeowners choose Postma:

  • Rapid response and fast fixes from skilled, professional, and personable technicians
  • Straightforward pricing and clear repair vs. replace guidance
  • Manufacturer warranty advocacy that saves customers money when eligible
  • 9-time winner of the Best of CK award for proven service excellence

Evaporator Coil Repair and Replacement in Lambton County

If your AC struggles to cool, freezes up, or leaks water, your evaporator coil may be the culprit. As a trusted air conditioner service company, we accurately diagnose coil problems—dirty fins, airflow restrictions, or refrigerant issues—then recommend cleaning, repair, or coil replacement for reliable comfort.

Common signs your evaporator coil needs service:

  • Ice on the coil or refrigerant lines
  • Water around the air handler or drain pan
  • Weak airflow and reduced cooling capacity
  • Frequent low-refrigerant codes or repeated top-ups

What to expect with Postma:

  • Latest technology for precise airflow testing and leak detection
  • Proper coil sizing, brazing, and charging to manufacturer specs
  • Flat-rate options explained clearly before work starts
  • Consistent aftercare and maintenance to protect your investment

Furnace Repair and Replacement in Lambton County

When winter hits, you need dependable heat. As a local furnace contractor and heating service company, we handle everything from emergency repairs to high-efficiency furnace installation. Expect proactive, clear communication and scheduling, on-time service windows, and work that prioritizes safety and cleanliness from background-checked technicians.

Furnace services we offer:

  • Gas and electric furnace repair and tune-ups
  • High-efficiency furnace replacement and upgrades
  • Safety inspections, cleanings, and performance optimization
  • Thermostat calibration and airflow balancing

Signs you may need furnace repair or replacement:

  • No heat, weak airflow, or cold spots in the home
  • Frequent cycling, hard starts, or short cycling
  • Unusual noises like banging, squealing, or rattling
  • Yellow burner flame or persistent burning odours
  • Energy bills rising with declining comfort
  • Furnace age 12–20 years with repeated repairs

Why choose Postma for heating:

  • Thorough, educated troubleshooting before work begins
  • Flat-rate pricing with options tailored to your budget
  • Membership program with real savings and priority service
  • Reliable project management for complex installs and retrofits

Boiler Repair and Replacement in Lambton County

Hydronic heat is comfortable and efficient—when it’s properly maintained. Our heating service company repairs and replaces a wide range of boilers, circulators, and controls, including high-efficiency condensing units. If your boiler is outdated or unreliable, we’ll size the right replacement, handle permitting, and complete professional commissioning.

Boiler services include:

  • Boiler repair and annual safety inspections
  • High-efficiency boiler replacement and retrofits
  • Zoning, controls, and pump optimization
  • System purges, air elimination, and water quality management

Indicators your boiler needs attention:

  • Cold radiators or uneven heating across rooms
  • Kettling noises, lockouts, or error codes
  • Visible leaks or corrosion on piping or heat exchangers
  • Rising fuel usage and slow heat recovery

Get seasonal tips and expert insights. Visit our News & Media page for maintenance checklists, energy-saving advice, and reminders to keep systems running smoothly in Port Lambton.

Why Call Postma for AC Refrigerant Leaks and Radiator Heater Service in Port Lambton, ON

Low refrigerant reduces cooling, raises energy costs, and risks compressor failure. We pinpoint leaks using electronic sniffers, UV dye, and nitrogen pressure testing, then perform high-standard repairs and verify proper charge for lasting results. For homes with radiators, we solve issues like hissing valves, air traps, and imbalanced zones so rooms heat evenly and quietly.

Reasons to call Postma Heating & Cooling:

  • Same-day services and on-time arrivals when you need us most
  • Latest technology for accurate diagnostics and durable repairs
  • Problem-solving in challenging situations like tight spaces or older homes
  • Safety- and cleanliness-focused work with full cleanup after the job
  • Proactive, clear communication and scheduling from the first call to the final check
  • Membership program with real savings, reminders, and priority scheduling

What you can expect:

  • Upfront, flat-rate pricing with clear options
  • Manufacturer warranty advocacy to maximize eligible benefits
  • Post-repair performance testing and documented results
  • Consistent aftercare and maintenance to prevent repeat issues

Call Postma Heating & Cooling at 519-354-9491 for expert AC and heating service in Port Lambton, ON. Book same-day repair or request a free replacement estimate today.