Efficient Heating & Cooling LLC
Efficient Heating & Cooling LLC is a HVAC provider serving Mundelein, IL. Rated 4.9★ with 153 Google reviews. See services, review signals, and request a quote.
HVACMundelein, IL
On this page
Company overview
- TradeHVAC
- Service areaMundelein, IL
- Google rating4.9★ (153 reviews)
- Phone(815) 347-8353
- Address950 N Rand Rd STE 104, Wauconda, IL 60084, USA
Photos
Photos from Efficient Heating and Cooling LLC., Efficient Heating & Cooling LLC
What customers say
“Woke up to a house at 58 degrees and no heat...googled some places and Justin was the first person I spoke to. He was very helpful, even tried to help me troubleshoot over the phone incase it was a su…”
“Justin tried to troubleshoot over the phone prior to a service call which was very helpful, but we needed someone of come on-site. Matt was able to arrive within a hour! He was very helpful and knowle…”
“Purchased a relatively well maintained home in a new community. Inevitably, systems begin to fail and it becomes increasingly clear that you are going to have to drop big money to replace aging equipm…”
“Our long time HVAC guy retired this year and highly recommended Efficient Heating & Cooling. Our first experience with them was very positive. Chris was knowledgeable, showed up on time, left everythi…”
“Great customer service. I wanted a smaller company which cares about their work rather than a large impersonal company. I am completely happy with their service. They installed a new thermostat and…”
Key highlights
Strengths
- Highly rated (4.9★ average)
- Large review volume (153 reviews)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does Efficient Heating & Cooling LLC offer?
Efficient Heating & Cooling LLC provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Mundelein, IL.
What is Efficient Heating & Cooling LLC's rating?
Efficient Heating & Cooling LLC has a 4.9 out of 5 star rating based on 153 Google reviews.
Is this company licensed in Illinois?
All listed providers have a verified Illinois contractor license at time of publication. You can verify on the Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) lookup at https://online-dfpr.micropact.com/Lookup/LicenseLookup.aspx.
Does Efficient Heating & Cooling LLC offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-22. Reviews refreshed 2026-04-22.
Licensing data: Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) · Company data: verified business records + Google Business profile
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