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Free expert advice from On Time Heat & Air — helping Denver metro homeowners save money and keep their HVAC systems running longer.

Pricing Guide
Furnace Repair Cost in Denver 2026 — What to Expect
How much does furnace repair cost in Denver? We break down real price ranges for the most common furnace problems — ignition failures, blower motors, heat exchangers and more.
March 2026 · 5 min read
Troubleshooting
AC Running But Not Cooling? 7 Causes & What to Do
Your AC is running but the house won't cool down. Before you call a technician, check these 7 common causes — some you can fix yourself for free.
March 2026 · 6 min read
Buyer Guide
How Long Do HVAC Systems Last? Signs It's Time to Replace
The average AC lasts 12-15 years and furnace 15-20 years — but Colorado conditions affect this significantly. Learn the warning signs your system needs replacing.
February 2026 · 5 min read

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More articles

Energy Tips
Should You Turn Off Your AC When on Vacation?
Heading out of town? Here's what to set your AC to, why turning it completely off can cause problems, and how to save money while you're away.
March 2026 · 5 min read
Troubleshooting
AC Running All Day and Won't Stop? 6 Reasons Why
If your air conditioner runs constantly without cycling off, something is wrong. Here are the most common causes and what you can do about each one.
March 2026 · 6 min read
Seasonal Guide
How to Prepare Your Denver Home for the First Freeze
Colorado's first freeze can arrive as early as September. Here's your complete checklist to protect your HVAC system, pipes, and home.
March 2026 · 7 min read
Home Comfort
How to Keep Your Garage Warm in Colorado Winters
Working in a freezing garage is miserable. Here are the most effective ways to add heat — from budget DIY fixes to permanent solutions.
March 2026 · 6 min read
Homeowner Guide
Are HVAC Contractors Licensed in Denver? What You Need to Know
Before you hire any HVAC company, here's what you should know about licensing requirements — and how to verify a contractor is legitimate.
March 2026 · 7 min read
Pricing Guide
How Much Does AC Installation Cost in Denver? (2026)
New AC costs $3,500-$12,000+ in Denver. Here's what affects the price, when to replace vs repair, and how to get the best deal.
March 2026 · 7 min read
Buying Guide
Central AC vs Window Units: Which Is Right for Your Home?
Window units are cheap upfront. Central AC cools your whole house. Here's how to decide for your Denver home and budget.
March 2026 · 6 min read
Troubleshooting
AC Blowing Warm Air? Here Are 5 Common Causes
Your AC is on but blowing warm air. Before you call a technician, check these 5 common causes — some are free fixes.
March 2026 · 5 min read
Maintenance
How Often Should You Change Your AC Filter?
The answer isn't always "every 30 days." Here's how to figure out the right schedule based on your filter, pets, and Denver's dusty air.
March 2026 · 4 min read
Energy Tips
Best Thermostat Settings for Colorado Spring Weather
It's 75°F on Monday and snowing on Wednesday. Here's how to set your thermostat to stay comfortable without wasting money.
March 2026 · 5 min read