Thermostat Services

Big Bear Lake, CA, & Surrounding Areas 

Over 35 Years of Experience

No Hidden Fees or Charges

Family-Operated Since 1990

Quality Thermostat Services for Your Home Comfort

When your home's temperature control system malfunctions, it impacts your entire living space. At M&M Mechanical Services, we focus on restoring your comfort through complete thermostat services. Our skilled technicians recognize how crucial your thermostat is for managing your home's climate efficiently. Since 1990, our family-operated business has provided reliable heating and cooling solutions throughout the Big Bear Lake, CA, & surrounding areas. We've earned our customers' trust through honesty, transparency, and quality workmanship, always avoiding hidden costs or unexpected charges. With more than 30 years in the field, we've successfully resolved countless thermostat issues, giving you peace of mind that your temperature control needs are handled properly.

As a locally owned business with deep community roots, we deliver personalized service that larger companies cannot offer. We build strong relationships with our clients and stand behind every installation and repair we perform. If you face uneven temperatures, programming issues, or complete thermostat failure, our quick-response team is ready to help—including prompt services when urgent problems arise. We combine technical skill with friendly service to make the process easy for you. Contact us at M&M Mechanical Services today to schedule your thermostat service appointment and restore your home comfort.

Why Choose Us

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Highly Responsive Staff, Prompt Services

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No Hidden Fees or Charges

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We Stand Behind Our Work

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Over 35 Years of Experience

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Family-Operated Since 1990

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Locally Owned Business

M & M Mechanical Services Inc DBA Big Bear Sheet Metal
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Smart Thermostat Installation

Improve your home's comfort and efficiency with professional smart thermostat installation. Our technicians help you choose the right smart thermostat for your heating and cooling system, ensuring it works perfectly. We install and program your new device and show you how to use features like remote temperature control, energy reports, and scheduling that can lower your utility bills.
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Thermostat Repair

If your thermostat isn't working correctly or your home feels too hot or cold, our repair team can identify and solve the problem. We work on all thermostat brands and models, fixing issues from wiring problems and calibration errors to sensor failures. Our technicians carry all necessary parts in their service vehicles, completing most repairs in one visit to restore your comfort quickly.

Recent Projects

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Here's what our satisfied customers are saying...

At M&M Mechanical Services, we take pride in providing exceptional residential and commercial HVAC, plumbing, and sheet metal fabrication to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of M&M Mechanical Services and let others know what you think.