Allen Service - Castle Rock
Allen Service is a Colorado home service company offering HVAC, plumbing, and electrical work, operating from an office on Wilcox Street in Castle Rock. The company says it has been delivering dependable HVAC, plumbing, and electrical solutions for families throughout Denver, Fort Collins, Commerce City, and surrounding areas since 1962, and that it has been family-owned and operated for three generations. Allen Service describes its reputation as built on trust, quality, and a commitment to its community, and it currently operates three locations across Colorado's Front Range. On the heating side the company handles furnace installation, maintenance, repair, and tune ups, along with heating installation and repair, heat pump repair and maintenance, ductless mini split systems, and boilers. Cooling work covers air conditioning installation, repair, tune ups, AC maintenance, central air conditioners, and emergency cooling, and the company also offers indoor air quality services such as air purification, humidifiers, and AeroSeal duct sealing. Plumbing work includes bathroom and kitchen plumbing, drain cleaning, emergency plumbing, garbage disposals, gas lines, pipe leak repair, piping and repiping, sump pumps, water heaters, and water line repair, while the sewer and drain team handles hydro jetting, trenchless sewer repair, and video pipeline inspection. Electrical services run from panels, circuit breakers, switches and outlets, and lighting installation to generators, home surge protection, EV car charging stations, and electrical safety inspections. The company also offers restoration work covering water damage cleanup, fire damage cleanup and repair, sewage cleanup, mold inspections, and mold removal, plus commercial services for businesses. Allen Service says customers will find courteous, uniformed technicians who respect your time, your space, and your schedule, and that its crews travel in fully stocked trucks to deliver prompt solutions without cutting corners. The company states it is proud to offer same-day, weekend, and emergency services and is available 24/7 for issues that arise outside traditional business hours. It says its highly trained and certified technicians take the time to listen to concerns and walk customers through every step, in English or Spanish, and that it provides upfront, transparent pricing before beginning work. Flexible payment plans and financing options are available, and a Membership Rewards plan offers routine check-ups, priority scheduling, and member-only perks.
Services

Heating services
Furnace installation, maintenance, repair, and tune ups, plus heating installation, heating maintenance, heating repair, heat pump repair and maintenance, and boilers.

Cooling services
Air conditioning installation, repair, and tune ups, AC maintenance, central air conditioners, and emergency cooling.

Ductless mini split systems
Installation and service of ductless mini split heating and cooling systems.

Indoor air quality
Air purification, humidifiers, and AeroSeal duct sealing to improve comfort and air quality in the home.

Plumbing services
Bathroom and kitchen plumbing, drain cleaning, emergency plumbing, garbage disposals, gas lines, pipe leak repair, piping and repiping, plumbing repair, sump pumps, and water line repair.
Why choose us?
Location & hours
425 Wilcox St Ste 160, Castle Rock, CO 80104, USA
FAQs
What services does Allen Service offer?
Allen Service covers heating, cooling, plumbing, sewer and drain, electrical, restoration, and commercial work. That includes furnace and air conditioning installation and repair, heat pumps, ductless mini splits, boilers, indoor air quality equipment, drain cleaning, water heaters, gas lines, repiping, hydro jetting, trenchless sewer repair, electrical panels, generators, lighting, and EV car charging stations.
Do you handle emergencies after hours?
Yes. The company says that if you need support outside of traditional business hours, it is available 24/7 to keep your home safe and functional whenever an issue arises. It lists emergency cooling and emergency plumbing among its services.
Can I get same-day service?
Allen Service says it is proud to offer same-day, weekend, and emergency services, and it invites customers to contact the company to request a same-day service appointment.
How long has Allen Service been in business?
The company says it has been delivering HVAC, plumbing, and electrical solutions in Colorado since 1962, which it describes as over six decades of service, and that it has been family-owned and operated for three generations.
Are your technicians licensed?
The company says all Allen Service technicians hold the required licenses and certifications, and it notes that HVAC contractors in Colorado must be licensed to operate legally. Its site lists license numbers PC.0000729 and EC.0102432.
Do you offer financing?
Yes. Allen Service says its financing plans make it simple to invest in your home when it matters most, and that flexible payment plans and financing options help customers prioritize comfort without stretching the budget.
What is the Membership Rewards plan?
Allen Service describes its Membership Rewards plan as your home's VIP pass, offering routine check-ups, priority scheduling, and member-only perks that keep your home running smoothly.
Do you have Spanish-speaking technicians?
The company says its technicians speak your language, whether that language is English or Spanish, so customers are never left confused or in the dark.