From Concept to Comfort - Peak Quality. Built with Integrity. Trusted to Last.

Professional HVAC & Electrical Services

"Quality Work. Transparent Pricing. Licensed, Bonded, and Insured."

Residential, Commercial and Industrial

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.

Veteran-Owned Business


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14+

Years of Experience

400+

Satisfied Clients

500+

Systems Installed

80%

Referral-Based Business

About Our Company

Established 2011 with a Professional Mission

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.

Our Professional Advantages

  • Competitive Pricing: Transparent, fair-market pricing for all services
  • Professional Integrity: No hidden charges or unnecessary recommendations
  • Technical Excellence: Industry-certified technicians and quality standards
  • Reliable Scheduling: On-time service delivery and project completion
  • Client-Focused Service: Your satisfaction is our business priority
Professional HVAC Technician

Professional Services

HVAC Installation

HVAC System Installation

Professional installation services for residential and commercial heating and cooling systems.

  • Central Air Conditioning Systems
  • High-Efficiency Furnaces
  • Condensing Units
  • Commercial Refrigeration

Authorized Installer: Lennox, Armstrong, Rheem

Standard Installation: 3-4 hours

Pricing From: $150+

HVAC Repair

HVAC Repair & Diagnostics

Prompt, professional repair services with rapid response times of 30 minutes to 3 hours.

  • System Diagnostics & Troubleshooting
  • Component Replacement
  • Refrigerant Service
  • Furnace Maintenance & Repair

Diagnostic Assessment: $120

Service Duration: 1-4 hours

Emergency service available upon request

All services fully warranted and insured

Electrical Services

Electrical Services

Comprehensive electrical solutions for residential and commercial properties.

  • Generator Installation & Service
  • Backup Power Systems
  • Service Entrance Installation
  • Panel Upgrades & Replacement
  • Complete Wiring Services
  • Outlet & Switch Installation
  • Smart Home Integration
  • NEC Regulated

Specialized Services

Smart Thermostat Integration

Professional installation of programmable and smart thermostats for enhanced energy efficiency and climate control management. Smart thermostat troubleshooting and optimization services available.

Preventive Maintenance Programs

Comprehensive annual maintenance services including system diagnostics, performance optimization, and preventive issue resolution.

Professional Load Calculations

Technical assessments considering structure size, ductwork specifications, insulation values, and climate factors for optimal system sizing.

Permitting & Code Compliance

Complete permitting services and inspection coordination for new construction, ensuring full compliance with local safety codes and regulations.

Professional Installation Process

1. Equipment Removal

Safe disconnection and proper disposal of existing equipment per environmental standards.

2. System Preparation

Ductwork assessment and modification as required for optimal system performance.

3. System Installation

Professional installation of new equipment to manufacturer specifications and industry standards.

4. Quality Assurance

Comprehensive system testing and performance verification to ensure optimal operation.

Transparent Pricing Structure

Professional service with clear, upfront pricing and no hidden fees.

Initial Deposit

50%

Required before project commencement

Final Payment

50%

Due upon project completion

Financing Options

US Bank

Flexible payment plans available

Accepted Payment Methods: Cash, Check, Credit/Debit Cards

Written estimates remain valid for 14 days

Contact Our Team

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Plainfield, Illinois

Serving the entire Chicagoland area and surrounding suburbs

Contact Us for Service

[email protected]

Text inquiries accepted

Business Hours

Monday - Friday: 7:00 AM - 7:00 PM

Saturday & Sunday: Available by Appointment

Response Time: 30 minutes - 3 hours

Service Coverage Area

Headquarters: Plainfield, Illinois

Service Territory: Greater Chicagoland Area

Travel fees applicable beyond 20-mile radius

Recommended Booking: 2-3 days advance notice

Professional Discounts Available:

Military & Veterans

Senior Citizens

First Responders

Referral program available - we value your recommendations!

Request a Professional Quote

Schedule your appointment by phone or complete this form for a response within 2-3 hours.

We conduct follow-up consultations to ensure complete satisfaction.

Clicking submit will open your email client. You can also email us directly at [email protected]

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