Expert solutions for heating, cooling, and electrical systems. Serving the Chicagoland area with professional experience and reliability.
All work warranted for your peace of mind.
Years of Experience
Satisfied Clients
Systems Installed
Referral-Based Business
Oz PeakBuilt Contracting was founded on the principle of delivering exceptional HVAC and electrical services at competitive rates without compromising quality. As a veteran-owned business, we bring military-grade discipline, precision, and integrity to every project.
With over 14 years of comprehensive industry experience since 2011, our expertise encompasses formal apprenticeship training, trade school certification, and extensive field operations. This thorough background ensures each project is executed with technical excellence and professional standards.
Our client base continues to expand through professional referrals and word-of-mouth recommendations, with 80% of our business derived from satisfied clients and industry partners. This metric reflects our unwavering commitment to service excellence and technical proficiency.
Professional installation services for residential and commercial heating and cooling systems.
Authorized Installer: Lennox, Armstrong, Rheem
Standard Installation: 3-4 hours
Pricing From: $150+
Prompt, professional repair services with rapid response times of 30 minutes to 3 hours.
Diagnostic Assessment: $120
Service Duration: 1-4 hours
Emergency service available upon request
All services fully warranted and insured
Comprehensive electrical solutions for residential and commercial properties.
Professional installation of programmable and smart thermostats for enhanced energy efficiency and climate control management. Smart thermostat troubleshooting and optimization services available.
Comprehensive annual maintenance services including system diagnostics, performance optimization, and preventive issue resolution.
Technical assessments considering structure size, ductwork specifications, insulation values, and climate factors for optimal system sizing.
Complete permitting services and inspection coordination for new construction, ensuring full compliance with local safety codes and regulations.
Safe disconnection and proper disposal of existing equipment per environmental standards.
Ductwork assessment and modification as required for optimal system performance.
Professional installation of new equipment to manufacturer specifications and industry standards.
Comprehensive system testing and performance verification to ensure optimal operation.
Professional service with clear, upfront pricing and no hidden fees.
50%
Required before project commencement
50%
Due upon project completion
US Bank
Flexible payment plans available
Accepted Payment Methods: Cash, Check, Credit/Debit Cards
Written estimates remain valid for 14 days
Plainfield, Illinois
Serving the entire Chicagoland area and surrounding suburbs
Text inquiries accepted
Monday - Friday: 7:00 AM - 7:00 PM
Saturday & Sunday: Available by Appointment
Response Time: 30 minutes - 3 hours
Headquarters: Plainfield, Illinois
Service Territory: Greater Chicagoland Area
Travel fees applicable beyond 20-mile radius
Recommended Booking: 2-3 days advance notice
Military & Veterans
Senior Citizens
First Responders
Referral program available - we value your recommendations!
Schedule your appointment by phone or complete this form for a response within 2-3 hours.