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HVAC Tips, Advice & News

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

Comparison Guides

Side-by-side breakdowns to help you choose between equipment options before you buy.

Heat Pump vs Furnace in Denver
Cold-climate heat pump or 95% AFUE furnace? Cost, rebates, recommendation.
Bryant vs Carrier for Colorado Homes
Same parent company. What actually matters when choosing.
80% vs 95% AFUE Furnace Cost
The cost gap, payback window, and when each is the right call.

See all comparison guides →

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

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

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

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

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

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

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

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

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

Carbon Monoxide & Your Furnace: What Colorado Homeowners Must Know

Warning signs of CO leaks, proper detector placement, and when to call for emergency furnace inspection.

March 2026 · 6 min read

Colorado Heat Pump Tax Credit 2026 — Save Up to $2,000

Federal and state tax credits for heat pump installations in Colorado. Eligibility, amounts, and how to claim.

March 2026 · 6 min read

How Much Does a Ductless Mini Split Cost in Denver?

$3,000 to $8,000 installed — here's what drives the price and how to get the best value.

March 2026 · 6 min read

Troubleshooting

Furnace Not Turning On? 8 Things to Check

Before calling for repair, try these 8 common fixes for a furnace that won't start in cold Denver weather.

March 2026 · 6 min read

Heat Pump vs Furnace in Colorado: Which Is Right?

Compare costs, efficiency, and real-world performance at altitude to decide between a heat pump and furnace.

March 2026 · 6 min read

Complete HVAC Maintenance Checklist for Colorado

Seasonal DIY tasks plus what your technician should check. Keep your system running efficiently at altitude.

March 2026 · 6 min read

7 HVAC Scams in Denver and How to Avoid Them

Fake diagnoses, unnecessary replacements, and bait-and-switch pricing — protect yourself from common scams.

March 2026 · 6 min read

9 Ways to Lower Your Energy Bills in Denver

Cut your energy bills by 20–40% with these proven tips from Colorado HVAC professionals.

March 2026 · 6 min read

Troubleshooting

HVAC Making Strange Noises? What Each Sound Means

Banging, squealing, clicking, or rattling — each noise points to a different problem. Here's what to do.

March 2026 · 6 min read

8 Signs You Need a New Furnace

Is your furnace dying? These 8 warning signs mean it's time to start planning a replacement.

March 2026 · 6 min read

Do Smart Thermostats Actually Save Money in Colorado?

Real savings data from Nest, Ecobee, and Honeywell thermostats in Colorado's extreme climate.

March 2026 · 6 min read

When Should You Replace Your AC Unit in Denver?

Age, repair costs, efficiency, and refrigerant phase-outs — here's how to decide if it's time for a new AC.

March 2026 · 6 min read

Carrier vs Trane: Which Is Better for Denver Homes?

April 2026 · 5 min read

Lennox vs Goodman: Premium vs Value HVAC

April 2026 · 5 min read

5 Signs You Have Leaky Ductwork

April 2026 · 5 min read

Commercial HVAC in Denver: Business Owner Guide

April 2026 · 5 min read

Homeowner Guide

First-Time Homeowner HVAC Survival Guide

April 2026 · 5 min read

Why Your Colorado Home Is So Dry

April 2026 · 5 min read

HVAC Zoning: Stop Heating Empty Rooms

April 2026 · 5 min read

Do UV Air Purifiers Actually Work?

April 2026 · 5 min read

Best Smart Thermostats for Colorado 2026

April 2026 · 5 min read

R-410A vs R-32: What Homeowners Need to Know

April 2026 · 5 min read

SEER2 Ratings Explained for Denver Homeowners

April 2026 · 5 min read

Spring AC Startup Checklist

April 2026 · 5 min read

Fall Furnace Prep Before the First Freeze

April 2026 · 5 min read

Hail Damaged Your AC? What to Do

April 2026 · 5 min read

Attic Insulation and HVAC Efficiency

April 2026 · 5 min read

Troubleshooting

Every HVAC Noise Explained

April 2026 · 5 min read

Homeowner Guide

Home Warranty vs HVAC Warranty

April 2026 · 5 min read

R-22 Freon Phase-Out: Your Options

April 2026 · 5 min read

Troubleshooting

Why Your Second Floor Is Always Hot

April 2026 · 5 min read

HVAC Financing: 0% APR and Pitfalls

April 2026 · 5 min read

Troubleshooting

HVAC: What to Fix Yourself vs Call a Pro

April 2026 · 5 min read

Best HVAC Air Filter: MERV Rating Guide

April 2026 · 5 min read

Should You Get a Home Energy Audit?

April 2026 · 5 min read

Homeowner Guide

Are HVAC Extended Warranties Worth It?

April 2026 · 5 min read

Colorado HVAC Regulations 2026: What Homeowners and Contractors Need to Know

April 2026 · 5 min read

Call (720) 527-0668 for HVAC Service

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