What services does Sentry Heating & Cooling provide?

Sentry Heating & Cooling provides a full range of HVAC services, including furnace and AC installation, repair, service, and cleaning, as well as boiler installation, service, repair, and cleaning. They also offer heat pump, radiant heat, and hot water heater services, as well as digital thermostat installation.

What sets Sentry Heating & Cooling apart from other HVAC companies?

Sentry Heating & Cooling is committed to creating long-term relationships with their clients by providing quality without compromise. They promise to never leave a job that has not been executed to the customer's complete satisfaction, and all of their employees have been hand-picked for experience, competence, and courtesy.

What areas does Sentry Heating & Cooling serve?

Sentry Heating & Cooling is proudly serving the Denver Metro area, providing residential and commercial HVAC services.

Voyager DB

Deep data on millions of local businesses, with verified decision-makers to reveal.

Contact Research

Hand-built prospect lists from human researchers, delivered in 24 hours.

People Search

Find owners and decision-makers by job title, seniority and department.

Chrome Extension

Coldlytics in your browser - prospect any business as you browse the web.

Integrations

Instantly, Smartlead, lemlist, Clay, HighLevel, plus Claude and ChatGPT over MCP.

Voyager DBDeep data on millions of local businesses, with verified decision-makers to reveal.Contact ResearchHand-built prospect lists from human researchers, delivered in 24 hours.People SearchFind owners and decision-makers by job title, seniority and department.Chrome ExtensionColdlytics in your browser - prospect any business as you browse the web.IntegrationsInstantly, Smartlead, lemlist, Clay, HighLevel, plus Claude and ChatGPT over MCP.

PricingPricing AgenciesAgencies BlogBlog

LoginLogin

Sentry Heating & Cooling

$1.6M revenue • 8 employees • 5009 W Fremont Ave, Littleton, CO, 80128, United States

Last Updated Jan 31, 2026

Own this business? Claim & update this listing →

Company Overview

Company Name

Sentry Heating & Cooling

Address

5009 W Fremont Ave, Littleton, CO, 80128, United States

Website

sentryheatingandcooling.com

Phone

(303) 948-8808

Approx. Annual Revenue

$1.6M

Employees

Established

2010

Google Reviews

5.0 (4 reviews)

About Sentry Heating & Cooling

Sentry Heating & Cooling is a full-service residential HVAC company based in Littleton, Colorado, established in 2010. The company provides a wide range of services, including furnace and air conditioning installation, repair, and maintenance, as well as boiler, heat pump, and water heater services. Sentry Heating & Cooling is dedicated to delivering quality HVAC solutions and customer satisfaction to the Denver metro area.

Business Profile

Read from the Sentry Heating & Cooling website on Oct 12, 2026. Hover an item to see the exact wording it came from.

How Sentry Heating & Cooling works

24/7 emergency serviceⓘ

About the website

Website quality (AI-assessed): 7/10 · Copyright notice says 2025; Contact information and hours provided

HVAC Companies near Littleton, CO

Browse all HVAC companies in Colorado →

Frequently Asked Questions about Sentry Heating & Cooling

Technologies Used

Key Decision Makers

Morgan Hall Owner

Charlie Conklin Owner