Top 10 Water Heater Installation in Denver, CO
The best water heater installation companies in Denver, CO for 2026 include Applewood Plumbing Heating & Electric (4.8), A Better Plumber (an Absolute Plumbing Company) (4.8), Brothers Plumbing, Heating & Electric (4.7). All install tank and tankless water heaters with same-day service available.
Applewood Plumbing Heating & Electric
Brothers Plumbing, Heating & Electric
Water Heater Experts Plumbing LLC
Golden West Plumbing, Heating, Air Conditioning, and Electrical
Mighty Plumbing Heating Air and Electric LLC.
Time Plumbing, Heating & Electric Denver
Heart Heating, Cooling, Plumbing & Electric
Done Plumbing, Heating, Cooling & Electric
High 5 Plumbing, Heating, Cooling & Electric
Blue Sky Plumbing, Heating, Cooling & Electric
How We Ranked These Denver Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Denver market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
How much does water heater installation cost in Denver?
Water heater installation in Denver costs $900-$1,500 for a standard tank model and $2,500-$5,000 for tankless. Includes unit, labor, permits, and old unit disposal.
How long does water heater installation take?
A standard tank replacement takes 2-4 hours. Tankless installation takes 4-8 hours due to venting and gas or electrical upgrades. Most Denver companies offer same-day installation.
Do I need a permit for water heater installation?
Yes, most cities require a plumbing permit for water heater installation. Your installer should handle this. Unpermitted work can affect insurance claims and home resale.