Efficient Construction / EC Mechanical
hvac
Serving Storm Lake, IA
From Google Business Profile
3.0
2 Google reviews
Hours
| Monday | 7 AM–4 PM |
| Tuesday | 7 AM–4 PM |
| Wednesday | 7 AM–4 PM |
| Thursday | 7 AM–4 PM |
| Friday | 7 AM–4 PM |
| Saturday | Closed |
| Sunday | Closed |
Google categories: Construction company, Air conditioning contractor, Heating contractor, HVAC contractor
View on Google Maps →Last checked October 3, 2026.
More from Google Business Profile
Listed features
- Accessibility
- Wheelchair accessible parking lot
Photos on Google: 1
Recent Google reviews (excerpts)
Written by Google users, not by EdgeLocal. EdgeLocal has not verified them and does not show reviewer names.
1 out of 5 stars · Jul 2026
All I can say is that they've never showed up!
From Google Business Profile, last checked October 3, 2026.
About this business
Efficient Construction tackles a wide range of building projects. From the ground up, they create new construction and additions and breathe new life into existing spaces with kitchen, bathroom, and basement renovations.
Services
- New Construction
- Additions
- Remodeling
- Siding
- Windows
- Decks
- Drywall
- Trim Work
- Doors
- Post Frame Construction
- Plumbing
- Heating & Air Conditioning
- General Plumbing
- Sewer Line Camera Inspection
- Sewer Line Locating
- Sump Pumps
- Water Heaters
- Furnaces (Gas or Electric)
- Air Conditioners
- Heat Pumps
- Mini-Splits
- Kitchen renovations
- Bathroom renovations
- Basement renovations
Service area: northwest Iowa
- Experience
- over 10 years
- Insurance
- licensed and insured
Elsewhere online: Facebook
Source: the business's own website and its Google Business Profile description, read automatically on October 25, 2026. Not verified by EdgeLocal.
Iowa Contractor Registration
- Reg. #
- C144754
- Expires
- June 30, 2029
Source: Iowa Division of Labor contractor registration data, licensed under CC BY 4.0. Look up this registration
About hvac contractors in Storm Lake
HVAC contractors install, service and repair furnaces, air conditioners, heat pumps and ductwork. HVAC contractors replace furnaces and central air conditioners, install heat pumps and ductless mini-splits, perform seasonal tune-ups, seal and balance ductwork, add humidifiers and air filtration, and respond to no-heat emergencies.
Typical cost: $5,500–$14,000 for a furnace or central AC replacement. See the full cost guide
Typical U.S. ranges from industry sources (2024–25); not EdgeLocal data. Your quote will vary with scope, materials and location.
Questions to ask this contractor
- Ask for a load calculation: A Manual J calculation sizes equipment for your actual home.
- Compare equipment line by line: Match model numbers, efficiency ratings and warranty terms across quotes.
- Verify mechanical licensing: Iowa and several neighboring states license HVAC/mechanical work.