Furnace Articles

What Is Your Furnace Saying When It Pops, Booms, and Rattles

January 27, 2026

Every time your furnace kicks on, your Colorado home fills with familiar, mechanical sounds. There’s the gentle whoosh of air through ductwork, and the quiet hum of a blower motor.

How Do I Know I Have a Cracked Heat Exchanger?

December 30, 2025

Our experienced furnace repair technicians will inspect and diagnose your furnace issue and resolve the concerns you are having.

Furnace Maintenance and Winter Energy Saving Tips

October 30, 2025

It’s understandable that home maintenance tasks can fall by the wayside. Many homeowners in Littleton, follow the old saying: “If it ain’t broke, don’t fix it.” Life gets busy, and other priorities tend to creep in each month, eating away at your time and budget.

Schedule Your Annual Furnace Inspection Now

September 30, 2025

What’s at the top of your fall to-do list in Cherry Hills Village? Make sure it is your furnace.

6 Ways Your Furnace Keeps You Safe

April 11, 2025

Your fuel-burning furnace has a number of mechanisms allowing it to run safely and effectively. These features prevent fires and protect your indoor air quality (IAQ). They also work to prevent internal errors from damaging large portions of your furnace.

What Are the Basics of Furnace Filters?

February 21, 2025

Furnace filters. They’re one of those items not really on the top of everyone’s minds, but they are important and can have a big impact. At Cool Sunshine Heating & Air Conditioning, we know with the right furnace filter, you can save money and improve your Cherry Creek indoor air quality (IAQ) in one fell swoop.

Why Won’t My Furnace Stop Running?

January 20, 2025

Is your furnace blowing air without pause? If so, you’re probably feeling a bit concerned—and your Littleton house most likely feels like an oven. On top of that, your utility bill will be considerably higher with your furnace constantly running.

Why Is the Furnace Pilot Light Going Out?

December 11, 2024

This issue happens more often than not with older furnaces, and it could be a sign you are ready to upgrade your Cherry Hills Village home’s heating and cooling system with a new model. At the 10-year mark, furnaces start to lose efficiency and begin breaking down more frequently.

Why Isn’t My Furnace Heating My Entire Home?

November 22, 2024

If your furnace seems to be producing heat inconsistently around your Littleton home to you, you’re not alone. Many homes have varied conditions from room to room, causing spotty heating or cooling.

What Is a Dual Fuel Heating System?

March 15, 2024

Cool Sunshine Heating & Air Conditioning is happy to lay all the options on the table so you can make the best decision for your Littleton home. Here’s what you should know about dual fuel systems: 

How Can I Make My Furnace Last Longer?

January 30, 2024

The average furnace lasts between 10 and 15 years. But did you know you can take steps to make it last longer? There is no shortcut or hack to increase your furnace’s longevity. 

In reality, the key is treating your Cherry Creek system with care and respect. With just a small amount of time and energy, you can ensure your furnace will live well beyond its warranty.

How to Spot a Cracked Heat Exchanger

January 15, 2024

At Cool Sunshine Heating & Air Conditioning, we take the safety of our customers in Colorado seriously. That’s why we want you to know how to spot a cracked heat exchanger.

Is My Furnace Overheating?

December 28, 2023

Just about any electrical appliance has the potential to overheat. Furnaces are no exception. As a homeowner, you need to take precautions to lower the risk of an overheated unit. You should also be wary of the associated symptoms, so you know when to take action. Remember, if your system gets too hot, you should keep a cool head and get your furnace taken care of right away.

What Are the Different Types of Furnaces?

December 15, 2023

This winter, you’re hoping to have a brand new furnace to keep you warm. But there are so many furnaces to choose from. You’re left wondering, which is the right one for your Cherry Hills Village home?

How Do I Know When It’s Time to Buy a New Furnace?

November 29, 2023

Is the heating, ventilation, and air conditioning (HVAC) system in your Littleton home malfunctioning? If so, be sure to address the issue as soon as possible—doing so can prevent further discomfort and damage.

What Are the Different Types of Furnaces?

November 15, 2023

This winter, you’re hoping to have a brand new furnace to keep you warm. But there are so many furnaces to choose from. You’re left wondering, which is the right one for your Cherry Hills Village home?

How Does My Gas Furnace Work?

October 31, 2023

Our team at Cool Sunshine Heating & Air Conditioning could help you save big bucks on your monthly utility bill by performing a furnace replacement.

What Are Signs I Need a New Furnace?

January 13, 2023

A furnace is a major investment for any Littleton homeowner. Although it’s not something that will need to be done frequently, most people will face the decision of needing to purchase a new heating system sometime during home ownership.

Conventional HVAC or a Heat Pump: Which Is Better?

December 14, 2022

We all take climate control for granted these days. In winter, we expect warmth from our heating system; in summer, we demand the cool comfort of air conditioning. Most Cherry Hills Village homeowners don’t give that a second thought—until the heating, ventilation, and air conditioning (HVAC) system breaks down and replacement decisions need to be made. Today, the majority of homes either use a conventional air conditioner (AC) and furnace combination or a heat pump. Our team at Cool Sunshine Heating and Air Conditioning is well-versed in the difference as well as the benefits of each type of system.

Why Is My Furnace Leaking Water?

February 28, 2022

You just discovered there is a puddle of water on the floor in front of your furnace. What does this mean? Why would your furnace be leaking?

Tips to Troubleshoot Your Thermostat

February 17, 2022

If your HVAC system suddenly stops working, it might be from a broken thermostat. Use these tips to help troubleshoot your unit.

What’s That Smell Coming From My Furnace?

January 31, 2022

If your furnace is producing a strange smell, treat it with caution. The cause for the odor may be benign, it could be harmful to inhale.

How Do I Keep My Heat During Extreme Cold Weather?

January 14, 2022

We want to help keep your home comfortable in these low temperatures and cold weather. Follow these tips to keep your heating system working.

What’s the Difference Between My Furnace Fan Settings—ON and AUTO?

November 15, 2021

There are furnace-fan settings on your thermostat for ON and AUTO. Which option is the best choice?

5 Reasons to Schedule a Fall Furnace Clean and Check

September 30, 2021

To ensure good results for both your furnace and your pocketbook, schedule an annual furnace clean-and-check before the cold weather hits.

Is My Furnace Overheating?

February 26, 2021

We want to keep our customers in the know about overheating furnaces. Our team has compiled the following tips to help.

How Can I Make My Furnace Last Longer?

January 29, 2021

Furnaces last about 10 or 15 years. Did you know you can make it last longer? From our team, here are four things you can do.

How Can I Save Money on My Heating Bill This Winter?

December 15, 2020

Is your energy bill too high in the winter? Looking for ways to cut costs? Our team wants to help you save money this winter.

7 Furnace Maintenance Tips

October 27, 2020

Need maintenance done on your home’s furnace? Our team wants to help by providing you the following tips.

What Are the Different Types of Furnaces?

September 30, 2020

Need a new furnace? Our team would like to make it easier by sharing the different types of furnaces on the market today.