WELCOME TO Loos & Sons HVAC

Serving Longmont, CO, and the surrounding areas, I provide reliable HVAC services designed to keep homes comfortable year-round. As a trusted HVAC company, Loos & Sons HVAC focuses on delivering solutions that combine efficiency, dependability, and long-term value. I specialize in a wide range of systems, from geothermal HVAC systems to modern residential setups, ensuring that every property receives tailored care. I handle complete boiler installation, precise boiler repair, and thorough boiler maintenance, so your heating system operates at peak performance throughout the seasons. I also install and service residential air conditioning systems to provide consistent cooling during the hottest months. My goal is to improve energy efficiency, extend equipment lifespan, and maintain a comfortable environment in every home.

As a dedicated HVAC contractor, I prioritize attention to detail, responsiveness, and quality workmanship in every project. I understand that each system is unique, which is why I take the time to assess your needs and provide solutions that match your home and lifestyle. From preventative maintenance to emergency repairs, I ensure your systems run smoothly and efficiently. Whether installing a new system or maintaining an existing one, I am committed to keeping your home comfortable, safe, and energy-efficient. Contact me today to schedule expert HVAC services and experience the difference of working with a dedicated HVAC company you can trust.

Licensed

CERTIFIED


I am licensed through the counties of Boulder, Adams, and Broomfield, EPA certified, and hold a residential mechanical license through the state of Colorado, ensuring all work meets the highest standards.
Skilled

EXPERIENCED


My skills and years of experience allow me to handle every HVAC system with precision and care.
Dedicated

PASSIONATE


I am dedicated and passionate about keeping your home comfortable and safe through reliable HVAC solutions.

QUALITY HVAC SOLUTIONS BACKED BY EXPERIENCE

Heating and Cooling Done Right the First Time

CUSTOM SOLUTIONS

I provide customized HVAC solutions tailored to your individual needs, making sure your system works efficiently for your space.

WARRANTIES AVAILABLE

All my services come with warranties, so you can trust that your HVAC system is protected after every repair or installation.

SATISFACTION GUARANTEE

I stand by my work with a satisfaction guarantee, ensuring you are happy and confident with the results.

DISCOUNTS AVAILABLE

Discounts are available for veterans, military personnel, and seniors to make quality HVAC services more accessible.

TRANSPARENT COMMUNICATION

You will always receive clear and honest communication about your system, the work needed, and any options available.

EFFICIENT SERVICE

I provide efficient service to minimize downtime and get your HVAC system running smoothly as quickly as possible.

HVAC SERVICES

I take pride in offering complete HVAC services that cover every aspect of heating, ventilation, and air conditioning. Whether you need installation, repair, or ongoing maintenance, I deliver solutions that keep your system efficient and dependable throughout the year. I make it a point to address everything from airflow issues to replacing outdated equipment with modern, energy-saving systems. A well-maintained HVAC system not only keeps your space comfortable but also helps improve indoor air quality and reduce utility costs. My goal is to create an environment that feels good to live or work in while protecting your equipment from unnecessary strain. Call me today to schedule the HVAC solution that’s right for you.

7

Days a Week Availability

#1

HVAC Company in Longmont, CO

8

Years of Industry Experience

100%

Customer Satisfaction

FEATURED SERVICES

HVAC INSTALLATION

Every home gets a carefully assessed HVAC installation to ensure maximum comfort and efficiency from the start.

GEOTHERMAL SYSTEM REPAIR

Issues with your geothermal system are diagnosed thoroughly and repaired to optimize energy efficiency and reliability.

GAS FURNACE INSTALLATION

Precision and safety guide every gas furnace installation to keep your home warm and secure.

AIR CONDITIONING SERVICES

Your air conditioning system is inspected, maintained, and repaired to keep your space cool and comfortable all season.

EMERGENCY BOILER SERVICES

When a boiler fails, fast and effective emergency services restore heat so you stay safe and warm.

MINI SPLIT REPAIR

Mini split systems are carefully troubleshot and repaired to restore perfect performance and comfort in your space.

GALLERY

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MISSION STATEMENT

My mission is to provide dependable heating and cooling solutions that prioritize comfort, safety, and energy efficiency for every home I serve. I am committed to delivering clear communication, timely support, and honest guidance so clients feel confident in the decisions they make for their properties. I strive to create long-term relationships built on trust and reliability, ensuring that every project is completed with care and attention to detail. By focusing on quality workmanship, responsiveness, and continuous improvement, I aim to make each home a more comfortable, safe, and enjoyable place to live.