Controlled Environment Inc
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Claim This BusinessAbout Controlled Environment Inc
Controlled Environment Inc has maintained a strong presence in the Birmingham Metro Area since 1995, making it one of the more established HVAC contractors serving Trussville and surrounding communities. The company holds Alabama municipal and state permits with certification #94002 and maintains both Worker's Compensation and liability insurance. All 7 verified reviews award the company a perfect 5-star rating, with customers highlighting the team's punctuality, courteous service, and ability to diagnose problems correctly on the first visit. The business operates Monday through Friday from 8 AM to 5 PM, with 24-hour emergency availability on weekends for urgent heating and cooling needs.
What distinguishes Controlled Environment Inc from neighboring contractors is their commitment to accurate diagnostics rather than replacement recommendations. The company has built its reputation on planned maintenance programs designed to extend the life of existing systems, including heat pumps, ductwork, humidifiers, and air filters. Their technicians receive ongoing training on advanced comfort systems, and the company performs in-house sheet metal fabrication for custom ductwork solutions. This approach aligns with their stated goal of surpassing customer expectations through technical excellence rather than upselling expensive new equipment.
Customer testimonials reveal specific scenarios that illustrate the company's service philosophy. When John Frank Yother returned from vacation to discover his home at 90 degrees, a competing company couldn't arrive for three days, but Controlled Environment dispatched technician Lorilei within one hour and repaired the unit same-day. Miles Jackson's experience proved particularly telling: another contractor quoted $4,500 for a new AC unit, but Controlled Environment diagnosed a $150 repair that resolved the issue. Owner William Wentowski specifically praises the team's ability to keep his 1985 furnace operating reliably, demonstrating long-term system expertise.
What Customers Say
All 5 verified reviewers award perfect 5-star ratings, with customers particularly noting same-day arrival during emergencies, accurate second-opinion diagnostics, and the team's courteous professionalism. Multiple reviewers highlight specific technicians by name, including Lorilei, and emphasize the company's willingness to repair rather than replace functional equipment.
Working Hours
| Sunday | Open 24 hours |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| ThursdayToday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | Open 24 hours |
Services
HVAC Installation & Replacement
Professional comfort systems installation using advanced products and proper permitting for new equipment.
AC Repair & Maintenance
Same-day diagnostics and repairs for air conditioning problems, with planned maintenance programs to prevent future failures.
Heating System Service
Furnace and heating system repairs, tune-ups, and maintenance extending the life of older equipment.
Heat Pump Services
Installation, repair, and maintenance of heat pump systems for year-round efficiency.
Indoor Air Quality
Humidifiers and air filter installation to improve home air quality and system performance.
Custom Ductwork
In-house sheet metal fabrication for bespoke ductwork design and installation.
Emergency HVAC Service
24-hour, 7-day availability for urgent heating and cooling emergencies.