Business Details
28 Years
experience
Emergency
services
Your Trusted HVAC Experts in Longmont, CO
M & M Heating, Cooling, Plumbing & Electrical has been serving Longmont, Colorado and surrounding communities since 1998. As a family-owned business, we prioritize exceptional customer service and 100% satisfaction. Our team includes NATE-certified technicians with decades of combined experience in HVAC, plumbing, electrical, and insulation services. We offer 24/7 emergency response and stand behind our work with a one-year test drive guarantee. Our commitment to quality includes using top-tier materials and maintaining transparent communication throughout every project.We serve residential and commercial clients across the Front Range, tailoring solutions to meet local needs. Our technicians receive the most training hours in Colorado and hold industry certifications. We focus on long-term relationships built on trust, offering loyalty programs and financing options to enhance customer value.
Services
Air Conditioner Repair
Heating Installation
Plumbing Services
Electrical Repairs
Insulation Upgrades
Emergency Services
Ductless HVAC
Water Heater Repair
Indoor Air Quality
Boiler Services
Details
- Year established: 1998
Highlights and features
- 27 years serving Northern Colorado communities
- NATE-certified technicians with state-leading training
- 24/7 emergency service available 365 days/year
- 100% satisfaction guarantee on all work
- Flexible financing options available
Associations and certifications
- NATE-certified
What people say
Exceptional job
Professional service
Honest recommendations
Timely response
Expert technicians
Services
Air Conditioner Repair
Our NATE-certified technicians diagnose and repair all AC systems with precision. We use advanced tools to identify issues like refrigerant leaks, compressor failures, and thermostat malfunctions. Customers benefit from same-day diagnostics and transparent pricing, with emergency repairs available 24/7 across Northern Colorado.
Heating Installation
We install high-efficiency heating systems tailored to Colorado's climate. Our process includes load calculations, equipment selection, and proper sizing for optimal performance. Customers receive lifetime maintenance tips and enjoy energy savings through modern, energy-star rated units with manufacturer warranties.
Plumbing Services
From leak detection to pipe replacement, our master plumbers handle residential and commercial needs. We specialize in burst pipe repair, drain clearing, and water heater services. Emergency teams respond within 2 hours during business hours with guaranteed repair credits for delays.
Electrical Repairs
Our licensed electricians perform safety inspections, circuit breaker replacements, and EV charging station installations. We follow NEC standards for all work, including surge protection and outdoor lighting. Customers receive detailed diagnostics and code-compliant solutions for enhanced home safety.
Indoor Air Quality
We improve home air quality through GPS ionization technology and filtration systems. Services include duct sealing, ventilation upgrades, and allergen reduction. Customers experience healthier environments with reduced dust and improved HVAC efficiency through our comprehensive IAQ solutions.
People
Eric Meiers
President
Founded M and M in 1998 after growing up in Longmont. Leads with 27 years of HVAC industry experience, focusing on customer satisfaction and technical excellence.
Melissa
Office Manager
Manages daily operations with attention to detail, ensuring smooth coordination between technicians and customers for optimal service delivery.
Chad
Sales Technician
Provides customized solutions with clear recommendations, known for reasonable quotes and exceptional customer communication during service consultations.
Stephen
Service Technician
Performs timely HVAC maintenance with detailed explanations, maintaining long-term customer relationships through technical expertise and transparency.
Will
HVAC Technician
Identifies complex system issues efficiently, offering clear solutions that demonstrate deep technical knowledge and problem-solving capabilities during diagnostics.
Questions
What areas do you service?
We serve Longmont, Dacono, Erie, Firestone, Frederick, Johnstown, Mead, and surrounding Colorado communities.
Do you offer emergency services?
Yes, we provide 24/7 emergency HVAC, plumbing, and electrical services 365 days a year.
Are your technicians certified?
All technicians are NATE-certified with state-leading training hours and industry-specific credentials.
What financing options exist?
We offer flexible financing programs to help customers manage home comfort system upgrades affordably.
What is the Loyalty Membership?
Our $21.95/month program includes bi-annual tune-ups, priority scheduling, and discounts on all services.
Do you guarantee workmanship?
We stand behind all work with a one-year test drive guarantee and 100% satisfaction promise.
