How often should I service my HVAC?

• <div><p>Your HVAC manufacturer will give you instructions on how often you should service your system. Have your unit professionally serviced at least once a year when in doubt. </p><p>Heat pump systems are different because they provide heating and cooling solutions for your home. In this case, you should have it serviced at least twice a year.</p></div>

Get matched with top heating oil pros in Mammoth Lakes, CA

Enter your ZIP and get matched with up to 5 pros

TRUSTED BY MAMMOTH LAKES, CA HOMEOWNERS

4.4
Average homeowner rating
18
Verified heating oil services reviews

Verified Reviews for Heating Oil Service pros in Mammoth Lakes, CA

*The Angi rating for Heating Oil Service companies in Mammoth Lakes, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating Oil Service needs.

*The HomeAdvisor rating for Heating Oil Service companies in Mammoth Lakes, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating Oil Service needs.

Last update on December 07, 2025

Reviewed in January 2023
All-Temp Heating and Air Conditioning is a great company. My heater stopped working just as the huge snow storm hit. All-Temp was at my house within 12 hours. I am so appreciative! I highly recommend this amazing company. Thank you, All Temp!
All-Temp Heating & Air Conditioning
Request a quote
Reviewed in March 2016
Went without any major problems. Heater was attached to a water soft machine, one of the connectors broke and they bdid not have one, had to order and return to fix. This did not cause any problem, a bypass was made, and the heater was able to be used.
Heart Plumbing
Request a quote
Reviewed in May 2015
It was done as promised.I had checked out the different brands and this band has a good rating. What sold them is it was the best price for heating with air. We were replacing a propane heater and the air was basicly a bonus.
Diversified Heating & Cooling
Request a quote
Reviewed in December 2014
didn't work, at first . . had to come out again . . finally got heater to work . . said it needed other parts . . bought and installed.
HVAC THERAPY
Request a quote
Reviewed in January 2014
I've had both our vehicles serviced by these guys for a couple of years; everything from routine oil changes and alignments to suspension work. Also purchased tires for both vehicles from them. Their prices are fair and sometimes better than other facilities (including on line for the tires),...
RON'S TIRES PRO
Request a quote
Reviewed in December 2012
My heating/AC was not working. Called Clemmer Services and someone was able to come out the next morning and do a diagnostic. The worker was very friendly and professional. The diagnostic fee was waived when he did the repair. The transformer was blown and was replaced for $231. The problem...
CLEMMER SERVICES INC
Request a quote
Reviewed in May 2011
The work was great and they were really great. They did the work when they said they would. The price was a little high but it was worth it. We are satisfied with the work and have no complaints. They were really great about working with us and with our little boy being around. They also...
Renewal by Andersen / Southard Corp
Request a quote

Find Heating oil pros in Mammoth Lakes

All-Temp Heating & Air Conditioning

4.96(

)

•Approved Pro

All-Temp Heating & Air Conditioning

4.96(

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

24 years of experience

All-Temp Heating & Air Conditioning takes pride our company on reliability, great communication, integrity, and quality work on your HVAC systems. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"Fast, efficient, and they showed up exactly when they said they would. During the service they also identified a small gas leak and fixed it."

Bob F on September 2023

"Fast, efficient, and they showed up exactly when they said they would. During the service they also identified a small gas leak and fixed it."

Bob F on September 2023

Crystal Air

4.00(

)

Crystal Air

4.00(

)

Customers say: Quality work

Recommended by 100% of Angi customers

Additional emails - [email protected], Additional address - Crystal Air, PO Box 1501 Weaverville, CA 96093.

Heating Oil questions, answered by experts

A geothermal heat pump system will take about 10 years to pay for itself, and it has a life span of anywhere from about 25 to 50 years. Installing a geothermal heat pump will cost about $14,250 upfront, but it can reduce your energy bills by around 65% when compared to a conventional HVAC system.

There are several common types of HVAC systems that you may have, including split systems, hybrid HVAC, duct-free systems, packaged heating and air, geothermal heating, or even portable units for heating or cooling. If you aren’t sure which type is in your home or are looking to install something different, you should consult an HVAC pro to determine which option is right for your heating and cooling needs.

An evaporator or swamp cooler is a common alternative for small spaces. These coolers blow moist air into a space to help cool it down. They are more affordable than misters and use much less water. However, coolers will not have the same cooling effect as misters, cannot help plants survive the heat, and only reach a small area.

Your HVAC manufacturer will give you instructions on how often you should service your system. Have your unit professionally serviced at least once a year when in doubt.

Heat pump systems are different because they provide heating and cooling solutions for your home. In this case, you should have it serviced at least twice a year.

Yes, including optimizing settings and suggesting upgrades if needed.

The homeowners guide to home care is here

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

Samantha Hawrylack
•
Jul 9, 2025Jul 9, 2025
How Much Does Baseboard Installation Cost? [2025 Data]
Installing new baseboards can totally refresh the look of your walls. Learn about the cost to install baseboards in your home.
Stacey L. Nash
•
Jul 14, 2025Jul 14, 2025
How Much Does Linoleum Flooring Cost? [2025 Data]
Linoleum is a popular flooring material because it’s one of the most affordable—but linoleum flooring costs vary from project to project. Let’s break it down.
Gemma Johnstone
•
Jun 19, 2025Jun 19, 2025
How Much Does Sagging Floor Repair Cost? [2025 Data]
Sagging floor repair costs vary considerably depending on the type and extent of the damage and the flooring material.
Kate Fann
•
Aug 13, 2025Aug 13, 2025
LVT Flooring vs. LVP: Pros, Cons, and Costs
Are you torn between tile-look and wood-look vinyl flooring? Let's break down LVT versus LVP to help you choose the right style for your space without overthinking it.
Michael Kwan
•
Nov 19, 2025Nov 19, 2025
How Much Does Flooring Installation Cost in Los Angeles? [2026 Data]
Updated flooring can make any room in your home feel brand new. Explore flooring installation costs in Los Angeles, CA, from materials to labor costs.
Kate Fann
•
Dec 5, 2025Dec 5, 2025
How to Remove Asbestos Tile Safely
Curious about how to remove asbestos tile? While typically best left to the pros, if you have some skill in this area, here is how to remove it safely.