For All Your Indoor Comfort Needs!

Complete Air Conditioning Services in Alton, Brighton & Jerseyville and Surrounding Areas

On a hot summer day, there’s nothing quite like stepping into your perfectly cooled home. The same can be said for a cozy home on a winter day. At Den-Son Inc. Cooling & Heating, we know how much you depend on your air conditioner to keep cool and your heat pump furnace, or boiler to keep warm. That’s why we offer reliable AC and heating installation, service, and repair whenever you need it.

When you partner with Den-Son, you get the following:

  • Free second opinion if another company recommends replacement of equipment
  • 100 percent satisfaction guarantee
  • Product guarantee for 30 days. If your system breaks or the issue comes back after our techs have fixed it, we will come back out for free.
  • Never an overtime charge for Maintenance Agreement customers
  • Free estimates on new installations
  • A Trane Comfort Specialist dealer who services all makes, models and brands

HVAC Services

Air Conditioning and Heating Installation

Whether you need the ideal cooling system designed for your new home or you’re considering an energy-efficient replacement for your old system, our AC installation services have you covered. At Den-Son, our experienced technicians start from scratch by calculating your home’s cooling load. With that information in hand, our team can design a cooling system that seamlessly meets the needs of your home and family.

As a leading heating contractor, we always start by assessing how much heating power your home needs, and then we recommend your family’s best options for efficiency and comfort. Our team has years of experience with installing and designing furnaces, heat pumps, boilers and packaged systems. You can rest assured that any heating system we install is designed to keep your family warm and run efficiently for years to come.

We’ll even recommend and install programmable thermostats and indoor air quality components to ensure that our heating systems meet or exceed your expectations.

HVAC Services

Air Conditioning and Heating Installation

Whether you need the ideal cooling system designed for your new home or you’re considering an energy-efficient replacement for your old system, our AC installation services have you covered. At Den-Son, our experienced technicians start from scratch by calculating your home’s cooling load. With that information in hand, our team can design a cooling system that seamlessly meets the needs of your home and family.

As a leading heating contractor, we always start by assessing how much heating power your home needs, and then we recommend your family’s best options for efficiency and comfort. Our team has years of experience with installing and designing furnaces, heat pumps, boilers and packaged systems. You can rest assured that any heating system we install is designed to keep your family warm and run efficiently for years to come.

We’ll even recommend and install programmable thermostats and indoor air quality components to ensure that our heating systems meet or exceed your expectations.

Air Conditioning and Heating Service

Enjoying your newly installed air conditioning and heating system often brings a sense of relief. At Den-Son, we know that feeling might not last long without regular tune-ups. That’s why we offer professional air conditioning and heating maintenance services designed to keep your cooling and heating system running smoothly for years to come.

Our preventive maintenance checklist covers the full range of services that your air conditioner needs. From calibrating your cooling system to checking electrical connections to replenishing essential fluids, our HVAC technicians will handle everything your air conditioner or needs for efficient operation and minimal breakdowns.

Our heating system tune-ups include a full range of preventive services. At Den-Son, our service technicians offer pre-season maintenance, safety inspections, and year-round tune-ups. During a preventive maintenance session, our team is trained to spot minor problems with your furnace, heat pump or boiler before they become serious or costly. This added feature helps keep your heating costs as low as possible while avoiding breakdowns or needing major repairs.

Air Conditioning and Heating Repair

No homeowner wants to deal with air conditioning or heating repairs. If you do find that you need emergency repairs, your local HVAC contractor is at your service. We’re here to handle all your cooling and heating needs. In fact, our team provides 24-hour emergency repairs seven days a week, so you can always count on Den-Son.

Don’t want to have to schedule multiple service visits? Our repair technicians always aim to diagnose and repair your cooling or heating system in a single visit, so you can look forward to regaining comfort in no time. Call Den-Son to learn more about our heating and air conditioning services. Our service area includes Brighton, Alton, Jerseyville, Batchtown, Alhambra, IL and the surrounding areas.