Read Detailed Insights From Miller's Blog

Gas vs. Electric Furnace: Costs, Power Use & Efficiency
Many homeowners think their gas furnaces don’t use electricity.
However, that’s not entirely true.
While natural gas powers the heating process, your furnace still relies on electricity for the blower fan, ignitor, and control board. So, how much power does a gas furnace use?

5 Reasons Your Home May Need Indoor Air Quality Testing
Your home's air may be contaminated by frightening (yet invisible) objects. You're probably concerned if there are persistent odors, comfort problems, or health complaints in your house. The issue might be bad enough to justify monitoring the interior air quality.

How Often Should you Replace a Furnace Filter
Your furnace filter is one of the most important components in your HVAC system, yet many people never think about it. In fact, a good majority of homeowners forget to replace their filters on time, which can create a variety of problems, from extreme energy bills to poor air quality.

3 Essential Steps Before Replacing Your Furnace
Are you feeling the chills from your furnace? If your furnace is ten years old or older, it might be time to consider replacing it. Heating equipment deteriorates from the first day of use, just like any other appliance. Although regular furnace maintenance can help keep your system running, furnaces have a finite lifespan.

24-Hour Emergency HVAC Service & Repair in Vancouver, WA
If your HVAC system breaks down, the last thing you want is to wait around for someone to come fix it. Luckily, with 24-hour HVAC repair services, you don’t have to! No matter what time of day or night, you can get your system repaired!

How Insulation Improves HVAC Performance & Home Comfort
If you’re like most homeowners, you know that having a well-functioning HVAC system is essential. But did you know that your home’s insulation plays a crucial role in maintaining comfort and energy efficiency?

Benefits of Smart Thermostats and How It Can Save You Money
If you're tired of constantly adjusting your thermostat or want a simple way to cut your energy bills, a smart thermostat could be a great solution.

Heat Pump vs. Furnace: Which Is Best for Your Home?
Winters in the Pacific Northwest can be cold and wet, which is why it’s so important to have a reliable heating system. If you’re thinking of installing a new heating system in your home, you’re probably wondering, what are the real differences between a heat pump and a fossil fuel furnace?

Mitsubishi Mini-Split Buying Guide: What You Need to Know
Choosing an HVAC system can be challenging; there are many things to look for while buying a suitable air conditioner for your home or workplace. But when you want to prioritize quality above all else, Mitsubishi mini split system are it.

Why Does My Furnace's High Limit Switch Keep Tripping?
Has your furnace started shutting off suddenly? Maybe it’s struggling to keep your home warm.
Regardless, a non-working furnace can be a huge headache. Luckily, the culprit is usually pretty easy to suss out, as most cases have to do with a tripping high-limit switch.

6 Toxic Air Conditioning Smells and What They Mean
Why does my AC stink? Your AC unit may need service or a little attention. When your central air conditioner smells bad, it’s never a good sign, and definitely not good for your health. Even worse, some smells are toxic, and require urgent attention. It’s in your best interests for health reasons.

Introducing Electrical Services from Millers Heating and Air
At Miller’s Electrical, our new division understands the importance of keeping your home in Vancouver comfortable and safe. We focus on heating, cooling, and the electrical systems that support them. That's why we're excited to introduce our electrical services to complement our HVAC expertise.

Top 5 HVAC Trends to Watch for in 2025
If you’ve lived in the Pacific Northwest for quite some time then you’ve probably dealt with your fair share of changes in weather. It gets chilly and damp in the winter, and each year, it has been getting increasingly warm throughout the summer.

Is Your HVAC System Sized Correctly for Your Home?
Is my HVAC system the right size for my home?
Well, if you’ve ever walked into one room of your house and thought, “Why is it freezing in here?” while you’re sweating beads in the next room, your HVAC system might not be the right size.

Furnace Noises (And What They Might Mean)
Have you been hearing strange noises or things going bump in the night? If so, there’s no reason to call your local Ghostbusters. It’s probably coming from your furnace. And while they might not be haunted sounds, they should be a cause for concern.

Why Is My Heat Pump Not Blowing Hot Air?
When the temperatures drop, your heat pump is there to keep your house warm. However, if it’s blowing cold air or just not working as it should, it can be a real issue.

How Air Filters Improve HVAC Performance and Home Air Quality
At the heart of every HVAC system, you’ll find the air filters. Without them, you’d constantly have dust, dirt, and other unwanted allergens circulating throughout your home. Unfortunately, many homeowners neglect to keep an eye on their air filters. So, this is why they end up spending a fortune on energy bills and repairs.

The Importance of Regular Duct Inspections and Sealing
Your air ducts are one of the most important parts of your HVAC system, delivering conditioned air to every room in your house. Unfortunately, they don’t always get the attention they deserve.

Why Your Furnace Is Blowing Cold Air: 10 Reasons & Fixes
There’s nothing worse than expecting warm air and feeling a chilly breeze from your furnace. However, it’s a pretty common issue, so no need to panic. If you’re wondering, ‘Why is my furnace blowing cold air?’ this guide will walk you through common issues and furnace troubleshooting tips.

Avoid Costly Repairs: Why Late-Winter Furnace Maintenance Matters
When optimizing your home for comfort, your air ducts are probably the last thing you think about. However, they play a huge role in keeping your HVAC system running smoothly.