Get matched with top heating oil pros in Mariposa, CA

Q: Can I stay in my home if there's a coolant leak?

• <div><p>While it's generally safe to stay in a home with a coolant leak if your home is properly ventilated, it's important to have a professional come out to assess the situation right away. You should evacuate your home if you notice any powerful fumes. Additionally, you should leave your home if you are experiencing headaches or dizziness.</p></div>

Q: What factors affect servicing costs?

• <div><p>Costs depend on system age, type, labor, and whether part replacements are necessary.</p></div>

Q: Should you run an ERV system all the time?

• <div><p>It&rsquo;s a better use of energy (and your money) NOT to run an ERV system all the time. Most experts recommend that you cycle your ERV system on and off throughout the year. However, the recommended advice could change based on your climate, the number of people in your home, the size and style of your home, and your heating and cooling system. Contact a local pro for more specific advice. </p></div>

Q: Do services include refrigerant checks?

• <div><p>Yes, technicians check refrigerant levels, loop performance, and system calibration for peak efficiency.</p></div>

Q: What type of HVAC system do I have?

• <div><p>There are several <a href="https://www.angi.com/articles/common-types-of-HVAC-systems.htm">common types of HVAC systems</a> 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&rsquo;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.</p></div>

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Verified Reviews for Heating Oil Service pros in Mariposa, CA

*The Angi rating for Heating Oil Service companies in Mariposa, 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 Mariposa, 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 October 23, 2025

Reviewed in February 2019
Eric was very professional and completed the job in a timely manor. Installed a new water heater in a rental we have in Fontana. he left the job very clean and took the old water heater.
EC Plumbing
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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
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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
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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
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Reviewed in March 2013
I've worked with Gene and Randee Nelson for the past 3 years. I built a new home in 2008, and since then my AC unit has taken multiple electricity hits (we have bad power in 29 Palms). In August 2012, we lost the condenser, and I filed a claim with my home warranty company, they sent out someone...
Nelson Heating & Air
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Reviewed in September 2011
Juan was incredibly helpful and attentive. He made multiple visits to our office between evaluating the problem and installing the new part. He only charged us for three hours even though he had invested more time here, even time after hours (for which he didn't charge extra). We were...
JCL & SONS HVAC, INC.
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Reviewed in August 2011
I've been using Barto for over 25 years. They were very quick to make an easy sale and sell me the 5 year warranty program. It took them 5 days to arrange delivery, which I can understand that it can take some time. I had to pay extra for the mount that the unit slides into and for the...
BARTO APPLIANCE
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Find Heating oil pros in Mariposa

Crystal Air

1761 Main St

4.00(

)

Crystal Air

1761 Main St

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

While it's generally safe to stay in a home with a coolant leak if your home is properly ventilated, it's important to have a professional come out to assess the situation right away. You should evacuate your home if you notice any powerful fumes. Additionally, you should leave your home if you are experiencing headaches or dizziness.

Costs depend on system age, type, labor, and whether part replacements are necessary.

It’s a better use of energy (and your money) NOT to run an ERV system all the time. Most experts recommend that you cycle your ERV system on and off throughout the year. However, the recommended advice could change based on your climate, the number of people in your home, the size and style of your home, and your heating and cooling system. Contact a local pro for more specific advice.

Yes, technicians check refrigerant levels, loop performance, and system calibration for peak efficiency.

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.

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