Engineering Drafting Services

Precise, Permit-Ready HVAC Drafting for Residential & Commercial Projects

Detailed, Code-Compliant Drafting That Powers Smarter HVAC Design

Whether you’re building from the ground up or renovating an existing structure, your mechanical systems depend on accurate, well-engineered plans. At Brewer Heating & Air Conditioning, we provide professional engineering drafting services tailored for residential and commercial HVAC projects. Our drawings are developed in-house by seasoned experts to meet California energy codes, streamline permitting, and keep your design-build project on schedule.

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What we offer

Drafting Services That Support Every Stage of Your HVAC Build

Our engineering drafting services are just one piece of the bigger puzzle. Whether you’re starting a new build or upgrading a commercial system, we provide all the services needed to take your project from blueprint to build-out—with precision, compliance, and comfort built in.

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Why Builders & Property Owners Choose Brewer HVAC

Unlike outsourced drafting teams, Brewer’s drawings are developed by professionals who understand HVAC systems from the inside out. We blend field knowledge with engineering accuracy to produce plans that work—not just on paper, but in the field. You’ll get faster approvals, better installs, and fewer mid-project surprises.

We Partner With Homeowners Across the Region

Serving Nevada County With Fast, Accurate Drafting Support

We’ve earned the trust of Nevada County’s builders and remodelers by delivering clean, compliant plans on time—every time. From Colfax to Auburn, our drafting services help keep your HVAC projects moving forward without delays or code issues.

Grass Valley, CA
Nevada City, CA
Penn Valley, CA
Auburn, CA
Colfax, CA
Our Drafting Process

From Concept to Construction—How Our Drafting Services Work

01

Submit Project Plans or Scope

We’ll review your construction set, site layout, or conceptual system needs.

02

Drafting & Technical Detailing Begins

Our in-house team prepares detailed mechanical drawings aligned with project specs.

03

Review & Revise With Your Team

We collaborate with you (and your architect or GC if needed) to finalize plans.

04

Permit Submission Support

Receive a finalized, permit-ready drawing set—plus Title 24 coordination if required.

Testimonials

Feedback From Builders, Owners & Homeowners

Questions From Contractors, Owners & Architects

 We typically deliver in PDF and DWG formats, compatible with most permitting and construction workflows. Custom formats can be provided upon request.

 

Yes, our drafting services can be requested as a standalone service. We frequently assist contractors and builders who need clean, code-compliant plans.

 

 We can coordinate directly with our Title 24 energy team to integrate calculations and documentation into your permit package.

Most residential drafts are delivered within 3–5 business days. Larger commercial projects may take longer depending on complexity.

Absolutely. All plans are prepared with local permitting requirements and California energy codes in mind

Yes. We offer a collaborative review phase and provide updates as needed to accommodate changes in layout or system spec

 Yes, we often collaborate with project engineers, structural consultants, and architects to ensure coordination across trades.

Our team works on residential homes, ADUs, retail spaces, office buildings, medical facilities, and more.

That’s our goal. We’ve worked with local jurisdictions across Nevada County and draft to meet their exact submittal expectations.

 

Yes, expedited drafting is available for urgent timelines. Contact us for current availability and turnaround times.

 

Get Mechanical Plans That Make Permitting Easy

Trusted HVAC drafting services delivered with speed, accuracy, and local insight.