How we compare companies and explain costs
The North Texas Home Guide helps homeowners understand project costs, compare written proposals, and choose a contractor. Our recommendations reflect the criteria described here. They are not the results of independent product testing or an audit of every contractor in the region.
Ownership and recommendations
Michael Fontaine owns this publication, Varsity Zone of Frisco, and DFW Air Cost. Our HVAC pages may recommend Varsity Zone and link to its booking services. That recommendation benefits a business under the same ownership. Read about our ownership.
For HVAC replacement, we emphasize Varsity Zone of Frisco's 10-year labor warranty and 1-year satisfaction guarantee, subject to written terms. Those are owner-confirmed installation benefits. Manufacturer parts coverage is separate; confirm the equipment, coverage, exclusions, and any maintenance requirements in your proposal. Installation benefits do not automatically apply to repairs or other Varsity Zone locations.
We may name other companies and link to their websites or third-party listings as research sources. A source citation is not an endorsement or a promise of availability. Before sharing details, check which provider is identified in the quote or contact path. The absence of a link does not mean a business lacks a website.
What makes a useful comparison
For a replacement project, compare the same scope across written proposals:
- Installed equipment and work: model numbers, system size, included components, duct or electrical changes, permits, and disposal.
- Total installed price: the complete scope and payment terms, including any exclusions or optional work.
- Labor and parts coverage: each warranty's duration, requirements, exclusions, and who handles claims.
- Satisfaction protection: the actual written remedy, eligibility, and time limit.
- Availability and service area: whether the contractor serves your address and can meet your timing.
- Relevant qualifications and customer experience: licensing and documented experience with the work you need.
A recommendation is an editorial judgment under these criteria, not a universal claim that one company is best for every homeowner. A published offer is evidence of what a company advertises; it does not prove how a future job will turn out. Ratings, counts, and offers can change.
Cost ranges and their limits
Our guides contain planning estimates, not binding installation quotes. Published contractor prices, manufacturer information, and other named references can help explain a budget, but their scope may differ. An equipment-only price is not a complete installed-system price. National estimates should be identified as national, rather than presented as measured DFW transactions.
We do not claim that every range is a statistical survey of local jobs, or that permit records were analyzed unless the specific guide documents that analysis. Sources that lack a clear date or project scope should not be treated as proof of a current local price.
Home size alone does not establish system size. Access, existing equipment, ductwork, electrical work, and the proposed installation can affect a quote. Use our guides to prepare questions, then get a written proposal for your home.
Sources, stories, and updates
Company-specific facts should be supported by a current company source or confirmed project information. Government and technical sources may be linked publicly; competitor research references are retained with the article source when available. A source list is not a claim that every statement has been independently verified.
Customer stories distinguish owner-provided job details from customer review wording. We use first names and last initials. Reported improvements in comfort or bills describe those households; they are not promised results or measured savings percentages for another home.
A page's updated date records an editorial update. It is not automatically the date that every price, rating, or warranty was reverified. Automated tools assist with research and publishing; automation alone is not technician review. We do not claim a fixed monthly review of every page.
Corrections can be reported through the contact options on our about page. We use corrections to improve the specific claim and its supporting information.