Is $20,000 to encapsulate crawlspace with insulation, drainage system, and air system a fair price?

Full crawlspace restoration and moisture control system installation. - Remove and dispose of all existing insulation and debris - Perform mold remediation and antimicrobial treatment on all floor joists and subflooring - Install 20-mil vapor barrier on floor and walls with sealed seams - Install commercial-grade dehumidifier with dedicated drainage system - Seal all foundation vents and exterior penetrations - Install new crawlspace access door

This quote is for crawlspace encapsulation, a process that seals off the crawlspace from outside elements to control moisture and improve air quality. The work includes: - New insulation installation - Mold treatment - Installation of a drainage system - Installation of a sump pump

This quote is for a comprehensive crawl space encapsulation system to address moisture issues. The work includes: - TripleSafe Pump System: Includes twin liner, 1/3 hp cast iron primary AC pump, 1/2 hp cast iron AC back-up pump, and UltraSump battery back-up pumping system with charging/control box with alarm, and 120 amp sealed maintenance-free battery. Also includes 3 CleanPump stands, airtight lid with airtight floor drain, and WaterWatch alarm system. (Placement to be verified/determined by foreman) - IceGuard Installation: To prevent floods from clogged or frozen discharge line - Exterior Discharge Line: Installation as shown on drawing - Electrical Outlets: Install 2 outlets on 2 new circuits, panel within 50' - LawnScape Outlet: Installation at the end of the discharge line - CleanSpace Encapsulation System: Install 20 mil CleanSpace in area shown on drawing - Pier Wrapping: To control moisture - CleanSpace Drainage Matting: Installation under CleanSpace liner - Debris Removal: Remove and dispose of debris from crawlspace in preparation for installation - Manager Approved Discount - SaniDry Sedona Dehumidifier: Installation to keep humidity levels safe. (Placement to be verified/determined by foreman) - Condensate Pump: Installation to discharge water collected by the dehumidification system - Electrical Permit: For city/county requirements - SilverGlo Installation: As shown on drawing - Fiberglass Insulation Removal: Remove and dispose of fiberglass insulation from the crawlspace or basement - EverLast Door System: Install complete system - Rim Joist Insulation: Install using SilverGlo between joist (against band board)